74739797168 has 10 divisors (see below), whose sum is σ = 144808357044. Its totient is φ = 37369898576.

The previous prime is 74739797137. The next prime is 74739797179. The reversal of 74739797168 is 86179793747.

It is a junction number, because it is equal to n+sod(n) for n = 74739797098 and 74739797107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2335618646 + ... + 2335618677.

Almost surely, 2^74739797168 is an apocalyptic number.

It is an amenable number.

74739797168 is a deficient number, since it is larger than the sum of its proper divisors (70068559876).

74739797168 is a wasteful number, since it uses less digits than its factorization.

74739797168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671237331 (or 4671237325 counting only the distinct ones).

The product of its digits is 112021056, while the sum is 68.

The spelling of 74739797168 in words is "seventy-four billion, seven hundred thirty-nine million, seven hundred ninety-seven thousand, one hundred sixty-eight".