74455328 has 24 divisors (see below), whose sum is σ = 148596588. Its totient is φ = 36716544.

The previous prime is 74455321. The next prime is 74455331. The reversal of 74455328 is 82355447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73479184 + 976144 = 8572^2 + 988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74455291 and 74455300.

It is not an unprimeable number, because it can be changed into a prime (74455321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13601 + ... + 18272.

Almost surely, 2^74455328 is an apocalyptic number.

It is an amenable number.

74455328 is a deficient number, since it is larger than the sum of its proper divisors (74141260).

74455328 is a wasteful number, since it uses less digits than its factorization.

74455328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31956 (or 31948 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 74455328 is about 8628.7500832971. The cubic root of 74455328 is about 420.6929754278.

The spelling of 74455328 in words is "seventy-four million, four hundred fifty-five thousand, three hundred twenty-eight".