74127936512 has 88 divisors (see below), whose sum is σ = 170998454016. Its totient is φ = 31460364288.

The previous prime is 74127936451. The next prime is 74127936539. The reversal of 74127936512 is 21563972147.

It is a super-2 number, since 2×74127936512² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688103 + ... + 788505.

Almost surely, 2^74127936512 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 74127936512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85499227008).

74127936512 is an abundant number, since it is smaller than the sum of its proper divisors (96870517504).

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

74127936512 is a wasteful number, since it uses less digits than its factorization.

74127936512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100533 (or 100515 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The spelling of 74127936512 in words is "seventy-four billion, one hundred twenty-seven million, nine hundred thirty-six thousand, five hundred twelve".