172053774 has 32 divisors (see below), whose sum is σ = 392679840. Its totient is φ = 55800576.

The previous prime is 172053769. The next prime is 172053799. The reversal of 172053774 is 477350271.

It is a super-2 number, since 2×172053774² = 59205002295286152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41059 + ... + 45054.

It is an arithmetic number, because the mean of its divisors is an integer number (12271245).

Almost surely, 2^172053774 is an apocalyptic number.

172053774 is an abundant number, since it is smaller than the sum of its proper divisors (220626066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172053774 is a wasteful number, since it uses less digits than its factorization.

172053774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86161 (or 86155 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 172053774 is about 13116.9270029226. The cubic root of 172053774 is about 556.1877266650.

The spelling of 172053774 in words is "one hundred seventy-two million, fifty-three thousand, seven hundred seventy-four".