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74442862740 = 22358921616451
BaseRepresentation
bin100010101010100100…
…0111111000010010100
321010011001101020210110
41011111020333002110
52204424333101430
654110520523020
75243522615151
oct1052510770224
9233131336713
1074442862740
1129631067664
1212516920470
137034a3720c
143862acb228
151e0a6b47b0
hex115523f094

74442862740 has 96 divisors (see below), whose sum is σ = 210912266880. Its totient is φ = 19616256000.

The previous prime is 74442862699. The next prime is 74442862751. The reversal of 74442862740 is 4726824447.

It is a self number, because there is not a number n which added to its sum of digits gives 74442862740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11536515 + ... + 11542965.

It is an arithmetic number, because the mean of its divisors is an integer number (2197002780).

Almost surely, 274442862740 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 74442862740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105456133440).

74442862740 is an abundant number, since it is smaller than the sum of its proper divisors (136469404140).

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

74442862740 is a wasteful number, since it uses less digits than its factorization.

74442862740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713 (or 8711 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 48.

The spelling of 74442862740 in words is "seventy-four billion, four hundred forty-two million, eight hundred sixty-two thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2161 2670 4322 5340 6451 6483 8644 10805 12902 12966 19353 21610 25804 25932 32255 32415 38706 43220 64510 64830 77412 96765 129020 129660 192329 193530 384658 387060 574139 576987 769316 961645 1148278 1153974 1722417 1923290 2296556 2307948 2870695 2884935 3444834 3846580 5741390 5769870 6889668 8612085 11482780 11539740 13940611 17224170 27881222 34448340 41821833 55762444 69703055 83643666 139406110 167287332 209109165 278812220 418218330 836436660 1240714379 2481428758 3722143137 4962857516 6203571895 7444286274 12407143790 14888572548 18610715685 24814287580 37221431370 74442862740