172794456 has 48 divisors (see below), whose sum is σ = 475668960. Its totient is φ = 56652480.

The previous prime is 172794451. The next prime is 172794473. The reversal of 172794456 is 654497271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172794451) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15280 + ... + 24063.

It is an arithmetic number, because the mean of its divisors is an integer number (9909770).

Almost surely, 2^172794456 is an apocalyptic number.

It is an amenable number.

172794456 is an abundant number, since it is smaller than the sum of its proper divisors (302874504).

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

172794456 is a wasteful number, since it uses less digits than its factorization.

172794456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39416 (or 39409 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 172794456 is about 13145.1305052479. The cubic root of 172794456 is about 556.9847032642.

It can be divided in two parts, 1727944 and 56, that added together give a cube (1728000 = 120³).

The spelling of 172794456 in words is "one hundred seventy-two million, seven hundred ninety-four thousand, four hundred fifty-six".