74912699904 has 320 divisors, whose sum is σ = 237415090176. Its totient is φ = 20545634304.

The previous prime is 74912699899. The next prime is 74912699923. The reversal of 74912699904 is 40999621947.

It is a happy number.

It is a super-2 number, since 2×74912699904² (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 31 ways as a sum of consecutive naturals, for example, 26781834 + ... + 26784630.

Almost surely, 2^74912699904 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 74912699904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118707545088).

74912699904 is an abundant number, since it is smaller than the sum of its proper divisors (162502390272).

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

74912699904 is a wasteful number, since it uses less digits than its factorization.

74912699904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 74912699904 in words is "seventy-four billion, nine hundred twelve million, six hundred ninety-nine thousand, nine hundred four".