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74711007072 = 253513739069
BaseRepresentation
bin100010110010100011…
…1110111111101100000
321010211201221101200000
41011211013313331200
52211002004211242
654153300100000
75253260040102
oct1054507677540
9233751841600
1074711007072
1129759463449
1212590694600
1370784604c0
14388a56b572
151e23ecea4c
hex11651f7f60

74711007072 has 144 divisors (see below), whose sum is σ = 237276945360. Its totient is φ = 22987971072.

The previous prime is 74711007017. The next prime is 74711007089. The reversal of 74711007072 is 27070011747.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268447 + ... + 470622.

It is an arithmetic number, because the mean of its divisors is an integer number (1647756565).

Almost surely, 274711007072 is an apocalyptic number.

74711007072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74711007072 is an abundant number, since it is smaller than the sum of its proper divisors (162565938288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74711007072 is a wasteful number, since it uses less digits than its factorization.

74711007072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739107 (or 739087 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

The spelling of 74711007072 in words is "seventy-four billion, seven hundred eleven million, seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 208 216 234 243 288 312 324 351 416 432 468 486 624 648 702 864 936 972 1053 1248 1296 1404 1872 1944 2106 2592 2808 3159 3744 3888 4212 5616 6318 7776 8424 11232 12636 16848 25272 33696 50544 101088 739069 1478138 2217207 2956276 4434414 5912552 6651621 8868828 9607897 11825104 13303242 17737656 19215794 19954863 23650208 26606484 28823691 35475312 38431588 39909726 53212968 57647382 59864589 70950624 76863176 79819452 86471073 106425936 115294764 119729178 153726352 159638904 172942146 179593767 212851872 230589528 239458356 259413219 307452704 319277808 345884292 359187534 461179056 478916712 518826438 638555616 691768584 718375068 778239657 922358112 957833424 1037652876 1383537168 1436750136 1556479314 1915666848 2075305752 2334718971 2767074336 2873500272 3112958628 4150611504 4669437942 5747000544 6225917256 8301223008 9338875884 12451834512 18677751768 24903669024 37355503536 74711007072