74910077864 has 16 divisors (see below), whose sum is σ = 140465294100. Its totient is φ = 37452666112.

The previous prime is 74910077833. The next prime is 74910077903. The reversal of 74910077864 is 46877001947.

It can be written as a sum of positive squares in 2 ways, for example, as 71373396964 + 3536680900 = 267158^2 + 59470^2 .

It is a super-2 number, since 2×74910077864² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158657 + ... + 418320.

Almost surely, 2^74910077864 is an apocalyptic number.

It is an amenable number.

74910077864 is a deficient number, since it is larger than the sum of its proper divisors (65555216236).

74910077864 is a wasteful number, since it uses less digits than its factorization.

74910077864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593212 (or 593208 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 74910077864 in words is "seventy-four billion, nine hundred ten million, seventy-seven thousand, eight hundred sixty-four".