172073504 has 24 divisors (see below), whose sum is σ = 341884620. Its totient is φ = 85245696.

The previous prime is 172073477. The next prime is 172073527. The reversal of 172073504 is 405370271.

It can be written as a sum of positive squares in 2 ways, for example, as 137827600 + 34245904 = 11740^2 + 5852^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21179 + ... + 28154.

Almost surely, 2^172073504 is an apocalyptic number.

It is an amenable number.

172073504 is a deficient number, since it is larger than the sum of its proper divisors (169811116).

172073504 is a wasteful number, since it uses less digits than its factorization.

172073504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49452 (or 49444 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 172073504 is about 13117.6790630050. The cubic root of 172073504 is about 556.2089858410.

The spelling of 172073504 in words is "one hundred seventy-two million, seventy-three thousand, five hundred four".