172075244 has 24 divisors (see below), whose sum is σ = 329742336. Its totient is φ = 77922000.

The previous prime is 172075223. The next prime is 172075249. The reversal of 172075244 is 442570271.

It is a self number, because there is not a number n which added to its sum of digits gives 172075244.

It is not an unprimeable number, because it can be changed into a prime (172075249) 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, 4709 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (13739264).

Almost surely, 2^172075244 is an apocalyptic number.

It is an amenable number.

172075244 is a deficient number, since it is larger than the sum of its proper divisors (157667092).

172075244 is a wasteful number, since it uses less digits than its factorization.

172075244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717 (or 14715 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 172075244 is about 13117.7453855455. The cubic root of 172075244 is about 556.2108606219.

The spelling of 172075244 in words is "one hundred seventy-two million, seventy-five thousand, two hundred forty-four".