172975104 has 99 divisors (see below), whose sum is σ = 503134177. Its totient is φ = 57237504.

The previous prime is 172975091. The next prime is 172975123. The reversal of 172975104 is 401579271.

It is a happy number.

The square root of 172975104 is 13152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 71368704 = 10080^2 + 8448^2 .

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1262524 + ... + 1262660.

Almost surely, 2^172975104 is an apocalyptic number.

172975104 is the 13152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172975104

172975104 is an abundant number, since it is smaller than the sum of its proper divisors (330159073).

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

172975104 is an equidigital number, since it uses as much as digits as its factorization.

172975104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The cubic root of 172975104 is about 557.1787355875.

Multiplying 172975104 by its sum of digits (36), we get a square (6227103744 = 78912²).

172975104 divided by its sum of digits (36) gives a square (4804864 = 2192²).

The spelling of 172975104 in words is "one hundred seventy-two million, nine hundred seventy-five thousand, one hundred four".