872575146 has 32 divisors (see below), whose sum is σ = 1975648320. Its totient is φ = 285369552.

The previous prime is 872575087. The next prime is 872575153. The reversal of 872575146 is 641575278.

872575146 is a `hidden beast` number, since 8 + 72 + 575 + 1 + 4 + 6 = 666.

It is a super-2 number, since 2×872575146² = 1522774770833842632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 149580 + ... + 155303.

It is an arithmetic number, because the mean of its divisors is an integer number (61739010).

Almost surely, 2^872575146 is an apocalyptic number.

872575146 is an abundant number, since it is smaller than the sum of its proper divisors (1103073174).

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

872575146 is a wasteful number, since it uses less digits than its factorization.

872575146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304947 (or 304941 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 872575146 is about 29539.3829657967. The cubic root of 872575146 is about 955.5812351300.

The spelling of 872575146 in words is "eight hundred seventy-two million, five hundred seventy-five thousand, one hundred forty-six".