74816444 has 6 divisors (see below), whose sum is σ = 130928784. Its totient is φ = 37408220.

The previous prime is 74816411. The next prime is 74816453. The reversal of 74816444 is 44461847.

It is a junction number, because it is equal to n+sod(n) for n = 74816398 and 74816407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9352052 + ... + 9352059.

It is an arithmetic number, because the mean of its divisors is an integer number (21821464).

Almost surely, 2^74816444 is an apocalyptic number.

It is an amenable number.

74816444 is a deficient number, since it is larger than the sum of its proper divisors (56112340).

74816444 is a wasteful number, since it uses less digits than its factorization.

74816444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18704115 (or 18704113 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 74816444 is about 8649.6499351130. The cubic root of 74816444 is about 421.3720135424.

The spelling of 74816444 in words is "seventy-four million, eight hundred sixteen thousand, four hundred forty-four".