172490624 has 32 divisors (see below), whose sum is σ = 344229600. Its totient is φ = 86095872.

The previous prime is 172490621. The next prime is 172490627. The reversal of 172490624 is 426094271.

172490624 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172490621) and next prime (172490627).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172490621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132344 + ... + 133640.

It is an arithmetic number, because the mean of its divisors is an integer number (10757175).

Almost surely, 2^172490624 is an apocalyptic number.

It is an amenable number.

172490624 is a deficient number, since it is larger than the sum of its proper divisors (171738976).

172490624 is a wasteful number, since it uses less digits than its factorization.

172490624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 172490624 is about 13133.5685934935. The cubic root of 172490624 is about 556.6580549343.

The spelling of 172490624 in words is "one hundred seventy-two million, four hundred ninety thousand, six hundred twenty-four".