74039726616 has 32 divisors (see below), whose sum is σ = 185106796800. Its totient is φ = 24678911520.

The previous prime is 74039726597. The next prime is 74039726659. The reversal of 74039726616 is 61662793047.

It is a super-2 number, since 2×74039726616² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 771621 + ... + 862251.

It is an arithmetic number, because the mean of its divisors is an integer number (5784587400).

Almost surely, 2^74039726616 is an apocalyptic number.

It is an amenable number.

74039726616 is an abundant number, since it is smaller than the sum of its proper divisors (111067070184).

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

74039726616 is a wasteful number, since it uses less digits than its factorization.

74039726616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124679 (or 124675 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 74039726616 in words is "seventy-four billion, thirty-nine million, seven hundred twenty-six thousand, six hundred sixteen".