74854564 has 12 divisors (see below), whose sum is σ = 133143388. Its totient is φ = 36813600.

The previous prime is 74854543. The next prime is 74854573. The reversal of 74854564 is 46545847.

It can be written as a sum of positive squares in 2 ways, for example, as 5798464 + 69056100 = 2408^2 + 8310^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74854564.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153147 + ... + 153634.

Almost surely, 2^74854564 is an apocalyptic number.

It is an amenable number.

74854564 is a deficient number, since it is larger than the sum of its proper divisors (58288824).

74854564 is a wasteful number, since it uses less digits than its factorization.

74854564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306846 (or 306844 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 74854564 is about 8651.8532118847. The cubic root of 74854564 is about 421.4435663233.

The spelling of 74854564 in words is "seventy-four million, eight hundred fifty-four thousand, five hundred sixty-four".