172264670 has 16 divisors (see below), whose sum is σ = 314325360. Its totient is φ = 67961664.

The previous prime is 172264667. The next prime is 172264693. The reversal of 172264670 is 76462271.

It is a self number, because there is not a number n which added to its sum of digits gives 172264670.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117260 + ... + 118719.

It is an arithmetic number, because the mean of its divisors is an integer number (19645335).

Almost surely, 2^172264670 is an apocalyptic number.

172264670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172264670 is a deficient number, since it is larger than the sum of its proper divisors (142060690).

172264670 is a wasteful number, since it uses less digits than its factorization.

172264670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236059.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 172264670 is about 13124.9636189972. The cubic root of 172264670 is about 556.4148840831.

The spelling of 172264670 in words is "one hundred seventy-two million, two hundred sixty-four thousand, six hundred seventy".