82565974 has 16 divisors (see below), whose sum is σ = 132343200. Its totient is φ = 38496384.

The previous prime is 82565947. The next prime is 82565983. The reversal of 82565974 is 47956528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7434 + ... + 14845.

It is an arithmetic number, because the mean of its divisors is an integer number (8271450).

Almost surely, 2^82565974 is an apocalyptic number.

82565974 is a deficient number, since it is larger than the sum of its proper divisors (49777226).

82565974 is a wasteful number, since it uses less digits than its factorization.

82565974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22407.

The product of its digits is 604800, while the sum is 46.

The square root of 82565974 is about 9086.5820856910. The cubic root of 82565974 is about 435.4453957444.

The spelling of 82565974 in words is "eighty-two million, five hundred sixty-five thousand, nine hundred seventy-four".