172711494 has 32 divisors (see below), whose sum is σ = 384380640. Its totient is φ = 57483936.

The previous prime is 172711477. The next prime is 172711499. The reversal of 172711494 is 494117271.

172711494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172711499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41032 + ... + 45044.

It is an arithmetic number, because the mean of its divisors is an integer number (12011895).

Almost surely, 2^172711494 is an apocalyptic number.

172711494 is an abundant number, since it is smaller than the sum of its proper divisors (211669146).

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

172711494 is a wasteful number, since it uses less digits than its factorization.

172711494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4815 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 172711494 is about 13141.9745091824. The cubic root of 172711494 is about 556.8955492423.

The spelling of 172711494 in words is "one hundred seventy-two million, seven hundred eleven thousand, four hundred ninety-four".