172264507 has 12 divisors (see below), whose sum is σ = 183169560. Its totient is φ = 161976672.

The previous prime is 172264501. The next prime is 172264511. The reversal of 172264507 is 705462271.

It is not a de Polignac number, because 172264507 - 2¹¹ = 172262459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172264501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48463 + ... + 51895.

It is an arithmetic number, because the mean of its divisors is an integer number (15264130).

Almost surely, 2^172264507 is an apocalyptic number.

172264507 is a deficient number, since it is larger than the sum of its proper divisors (10905053).

172264507 is a wasteful number, since it uses less digits than its factorization.

172264507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 172264507 is about 13124.9574094547. The cubic root of 172264507 is about 556.4147085864.

The spelling of 172264507 in words is "one hundred seventy-two million, two hundred sixty-four thousand, five hundred seven".