74786329812 has 48 divisors (see below), whose sum is σ = 180197556224. Its totient is φ = 24115644000.

The previous prime is 74786329769. The next prime is 74786329847. The reversal of 74786329812 is 21892368747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002237 + ... + 1074267.

Almost surely, 2^74786329812 is an apocalyptic number.

It is an amenable number.

74786329812 is an abundant number, since it is smaller than the sum of its proper divisors (105411226412).

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

74786329812 is a wasteful number, since it uses less digits than its factorization.

74786329812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74860 (or 74858 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The spelling of 74786329812 in words is "seventy-four billion, seven hundred eighty-six million, three hundred twenty-nine thousand, eight hundred twelve".