72574472 has 32 divisors (see below), whose sum is σ = 145324800. Its totient is φ = 33902400.

The previous prime is 72574429. The next prime is 72574507. The reversal of 72574472 is 27447527.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (4541400).

Almost surely, 2^72574472 is an apocalyptic number.

It is an amenable number.

72574472 is an abundant number, since it is smaller than the sum of its proper divisors (72750328).

72574472 is a wasteful number, since it uses less digits than its factorization.

72574472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157 (or 10153 counting only the distinct ones).

The product of its digits is 109760, while the sum is 38.

The square root of 72574472 is about 8519.0652069344. The cubic root of 72574472 is about 417.1202700242.

The spelling of 72574472 in words is "seventy-two million, five hundred seventy-four thousand, four hundred seventy-two".