172057604 has 6 divisors (see below), whose sum is σ = 301100814. Its totient is φ = 86028800.

The previous prime is 172057591. The next prime is 172057619. The reversal of 172057604 is 406750271.

It can be written as a sum of positive squares in only one way, i.e., 115777600 + 56280004 = 10760^2 + 7502^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21507197 + ... + 21507204.

It is an arithmetic number, because the mean of its divisors is an integer number (50183469).

Almost surely, 2^172057604 is an apocalyptic number.

It is an amenable number.

172057604 is a deficient number, since it is larger than the sum of its proper divisors (129043210).

172057604 is a wasteful number, since it uses less digits than its factorization.

172057604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43014405 (or 43014403 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 172057604 is about 13117.0729966712. The cubic root of 172057604 is about 556.1918536367.

The spelling of 172057604 in words is "one hundred seventy-two million, fifty-seven thousand, six hundred four".