1072572172 has 18 divisors (see below), whose sum is σ = 2183450892. Its totient is φ = 459673704.

The previous prime is 1072572167. The next prime is 1072572191. The reversal of 1072572172 is 2712752701.

It is a super-2 number, since 2×1072572172² = 2300822128297595168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2735958 + ... + 2736349.

Almost surely, 2^1072572172 is an apocalyptic number.

It is an amenable number.

1072572172 is an abundant number, since it is smaller than the sum of its proper divisors (1110878720).

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

1072572172 is a wasteful number, since it uses less digits than its factorization.

1072572172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472325 (or 5472316 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 1072572172 is about 32750.1476637892. The cubic root of 1072572172 is about 1023.6280425495.

The spelling of 1072572172 in words is "one billion, seventy-two million, five hundred seventy-two thousand, one hundred seventy-two".