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70092672 = 2731319739
BaseRepresentation
bin1000010110110…
…00011110000000
311212220002001220
410023120132000
5120420431142
610542155040
71510530546
oct413303600
9155802056
1070092672
1136624731
121b582a80
13116a1a70
149447d96
1562482ec
hex42d8780

70092672 has 128 divisors (see below), whose sum is σ = 211344000. Its totient is φ = 20404224.

The previous prime is 70092667. The next prime is 70092677. The reversal of 70092672 is 27629007.

It is an interprime number because it is at equal distance from previous prime (70092667) and next prime (70092677).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70092677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94479 + ... + 95217.

It is an arithmetic number, because the mean of its divisors is an integer number (1651125).

Almost surely, 270092672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70092672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105672000).

70092672 is an abundant number, since it is smaller than the sum of its proper divisors (141251328).

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

70092672 is a wasteful number, since it uses less digits than its factorization.

70092672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 70092672 is about 8372.1366448476. The cubic root of 70092672 is about 412.3103201391.

The spelling of 70092672 in words is "seventy million, ninety-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 128 152 156 192 208 228 247 304 312 384 416 456 494 608 624 739 741 832 912 988 1216 1248 1478 1482 1664 1824 1976 2217 2432 2496 2956 2964 3648 3952 4434 4992 5912 5928 7296 7904 8868 9607 11824 11856 14041 15808 17736 19214 23648 23712 28082 28821 31616 35472 38428 42123 47296 47424 56164 57642 70944 76856 84246 94592 94848 112328 115284 141888 153712 168492 182533 224656 230568 283776 307424 336984 365066 449312 461136 547599 614848 673968 730132 898624 922272 1095198 1229696 1347936 1460264 1797248 1844544 2190396 2695872 2920528 3689088 4380792 5391744 5841056 8761584 11682112 17523168 23364224 35046336 70092672