72474032 has 20 divisors (see below), whose sum is σ = 144949056. Its totient is φ = 35067840.

The previous prime is 72474013. The next prime is 72474079. The reversal of 72474032 is 23047427.

72474032 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 72473986 and 72474004.

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 in 3 ways as a sum of consecutive naturals, for example, 72563 + ... + 73554.

Almost surely, 2^72474032 is an apocalyptic number.

It is an amenable number.

72474032 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72474032 is a wasteful number, since it uses less digits than its factorization.

72474032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146156 (or 146150 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 72474032 is about 8513.1681529264. The cubic root of 72474032 is about 416.9277555818.

The spelling of 72474032 in words is "seventy-two million, four hundred seventy-four thousand, thirty-two".