172440568 has 32 divisors (see below), whose sum is σ = 341683200. Its totient is φ = 81420768.

The previous prime is 172440559. The next prime is 172440577. The reversal of 172440568 is 865044271.

172440568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (172440559) and next prime (172440577).

It is a congruent number.

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, 8605 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (10677600).

Almost surely, 2^172440568 is an apocalyptic number.

It is an amenable number.

172440568 is a deficient number, since it is larger than the sum of its proper divisors (169242632).

172440568 is a wasteful number, since it uses less digits than its factorization.

172440568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11971 (or 11967 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 172440568 is about 13131.6628040778. The cubic root of 172440568 is about 556.6042031737.

The spelling of 172440568 in words is "one hundred seventy-two million, four hundred forty thousand, five hundred sixty-eight".