172380924 has 36 divisors (see below), whose sum is σ = 436166640. Its totient is φ = 57404160.

The previous prime is 172380893. The next prime is 172380947. The reversal of 172380924 is 429083271.

172380924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52812 + ... + 55980.

It is an arithmetic number, because the mean of its divisors is an integer number (12115740).

Almost surely, 2^172380924 is an apocalyptic number.

It is an amenable number.

172380924 is an abundant number, since it is smaller than the sum of its proper divisors (263785716).

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

172380924 is a wasteful number, since it uses less digits than its factorization.

172380924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 172380924 is about 13129.3916081439. The cubic root of 172380924 is about 556.5400227438.

The spelling of 172380924 in words is "one hundred seventy-two million, three hundred eighty thousand, nine hundred twenty-four".