82572275 has 6 divisors (see below), whose sum is σ = 102389652. Its totient is φ = 66057800.

The previous prime is 82572257. The next prime is 82572283. The reversal of 82572275 is 57227528.

It is not a de Polignac number, because 82572275 - 2²⁶ = 15463411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1651421 + ... + 1651470.

It is an arithmetic number, because the mean of its divisors is an integer number (17064942).

Almost surely, 2^82572275 is an apocalyptic number.

82572275 is a deficient number, since it is larger than the sum of its proper divisors (19817377).

82572275 is a wasteful number, since it uses less digits than its factorization.

82572275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302901 (or 3302896 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 82572275 is about 9086.9287991048. The cubic root of 82572275 is about 435.4564724285.

The spelling of 82572275 in words is "eighty-two million, five hundred seventy-two thousand, two hundred seventy-five".