172012074 has 16 divisors (see below), whose sum is σ = 370487712. Its totient is φ = 52926768.

The previous prime is 172012033. The next prime is 172012123. The reversal of 172012074 is 470210271.

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, 1102564 + ... + 1102719.

It is an arithmetic number, because the mean of its divisors is an integer number (23155482).

Almost surely, 2^172012074 is an apocalyptic number.

172012074 is an abundant number, since it is smaller than the sum of its proper divisors (198475638).

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

172012074 is a wasteful number, since it uses less digits than its factorization.

172012074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205301.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 172012074 is about 13115.3373574605. The cubic root of 172012074 is about 556.1427893533.

The spelling of 172012074 in words is "one hundred seventy-two million, twelve thousand, seventy-four".