172044492 has 24 divisors (see below), whose sum is σ = 402194352. Its totient is φ = 57240000.

The previous prime is 172044469. The next prime is 172044493. The reversal of 172044492 is 294440271.

It is not an unprimeable number, because it can be changed into a prime (172044493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6759 + ... + 19742.

It is an arithmetic number, because the mean of its divisors is an integer number (16758098).

Almost surely, 2^172044492 is an apocalyptic number.

172044492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172044492 is an abundant number, since it is smaller than the sum of its proper divisors (230149860).

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

172044492 is a wasteful number, since it uses less digits than its factorization.

172044492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27049 (or 27047 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 172044492 is about 13116.5731805224. The cubic root of 172044492 is about 556.1777247003.

The spelling of 172044492 in words is "one hundred seventy-two million, forty-four thousand, four hundred ninety-two".