74654644 has 6 divisors (see below), whose sum is σ = 130645634. Its totient is φ = 37327320.

The previous prime is 74654627. The next prime is 74654653. The reversal of 74654644 is 44645647.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 7086244 = 8220^2 + 2662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74654597 and 74654606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9331827 + ... + 9331834.

Almost surely, 2^74654644 is an apocalyptic number.

It is an amenable number.

74654644 is a deficient number, since it is larger than the sum of its proper divisors (55990990).

74654644 is a wasteful number, since it uses less digits than its factorization.

74654644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18663665 (or 18663663 counting only the distinct ones).

The product of its digits is 322560, while the sum is 40.

The square root of 74654644 is about 8640.2918932175. The cubic root of 74654644 is about 421.0680375931.

The spelling of 74654644 in words is "seventy-four million, six hundred fifty-four thousand, six hundred forty-four".