172652506 has 16 divisors (see below), whose sum is σ = 293580000. Its totient is φ = 75491568.

The previous prime is 172652497. The next prime is 172652537. The reversal of 172652506 is 605256271.

172652506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174256 + ... + 175243.

It is an arithmetic number, because the mean of its divisors is an integer number (18348750).

Almost surely, 2^172652506 is an apocalyptic number.

172652506 is a deficient number, since it is larger than the sum of its proper divisors (120927494).

172652506 is a wasteful number, since it uses less digits than its factorization.

172652506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349533.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 172652506 is about 13139.7300581100. The cubic root of 172652506 is about 556.8321411959.

The spelling of 172652506 in words is "one hundred seventy-two million, six hundred fifty-two thousand, five hundred six".