74618494408 has 8 divisors (see below), whose sum is σ = 139909677030. Its totient is φ = 37309247200.

The previous prime is 74618494397. The next prime is 74618494411. The reversal of 74618494408 is 80449481647.

It can be written as a sum of positive squares in only one way, i.e., 74595626884 + 22867524 = 273122^2 + 4782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4663655893 + ... + 4663655908.

Almost surely, 2^74618494408 is an apocalyptic number.

It is an amenable number.

74618494408 is a deficient number, since it is larger than the sum of its proper divisors (65291182622).

74618494408 is a wasteful number, since it uses less digits than its factorization.

74618494408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9327311807 (or 9327311803 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 74618494408 in words is "seventy-four billion, six hundred eighteen million, four hundred ninety-four thousand, four hundred eight".