74918921704 has 64 divisors (see below), whose sum is σ = 153904291200. Its totient is φ = 33907507200.

The previous prime is 74918921669. The next prime is 74918921719. The reversal of 74918921704 is 40712981947.

It is a happy number.

It is a super-2 number, since 2×74918921704² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 22288984 + ... + 22292344.

It is an arithmetic number, because the mean of its divisors is an integer number (2404754550).

Almost surely, 2^74918921704 is an apocalyptic number.

It is an amenable number.

74918921704 is an abundant number, since it is smaller than the sum of its proper divisors (78985369496).

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

74918921704 is a wasteful number, since it uses less digits than its factorization.

74918921704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 74918921704 in words is "seventy-four billion, nine hundred eighteen million, nine hundred twenty-one thousand, seven hundred four".