172608748 has 48 divisors (see below), whose sum is σ = 334172160. Its totient is φ = 77523264.

The previous prime is 172608731. The next prime is 172608763. The reversal of 172608748 is 847806271.

172608748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172608748² = 59587559772255008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389415 + ... + 389857.

It is an arithmetic number, because the mean of its divisors is an integer number (6961920).

Almost surely, 2^172608748 is an apocalyptic number.

It is an amenable number.

172608748 is a deficient number, since it is larger than the sum of its proper divisors (161563412).

172608748 is a wasteful number, since it uses less digits than its factorization.

172608748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 172608748 is about 13138.0648498932. The cubic root of 172608748 is about 556.7850950218.

The spelling of 172608748 in words is "one hundred seventy-two million, six hundred eight thousand, seven hundred forty-eight".