74818394 has 24 divisors (see below), whose sum is σ = 138232980. Its totient is φ = 30178176.

The previous prime is 74818369. The next prime is 74818417. The reversal of 74818394 is 49381847.

It can be written as a sum of positive squares in 2 ways, for example, as 74736025 + 82369 = 8645^2 + 287^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20789 + ... + 24120.

Almost surely, 2^74818394 is an apocalyptic number.

74818394 is a deficient number, since it is larger than the sum of its proper divisors (63414586).

74818394 is a wasteful number, since it uses less digits than its factorization.

74818394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44942 (or 44935 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 74818394 is about 8649.7626557033. The cubic root of 74818394 is about 421.3756743610.

The spelling of 74818394 in words is "seventy-four million, eight hundred eighteen thousand, three hundred ninety-four".