172948564 has 12 divisors (see below), whose sum is σ = 318589600. Its totient is φ = 81922968.

The previous prime is 172948549. The next prime is 172948571. The reversal of 172948564 is 465849271.

It is a super-2 number, since 2×172948564² = 59822411579324192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137744 + ... + 1137895.

Almost surely, 2^172948564 is an apocalyptic number.

It is an amenable number.

172948564 is a deficient number, since it is larger than the sum of its proper divisors (145641036).

172948564 is a wasteful number, since it uses less digits than its factorization.

172948564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275662 (or 2275660 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 172948564 is about 13150.9909892753. The cubic root of 172948564 is about 557.1502376907.

The spelling of 172948564 in words is "one hundred seventy-two million, nine hundred forty-eight thousand, five hundred sixty-four".