82574665 has 16 divisors (see below), whose sum is σ = 104529600. Its totient is φ = 62448192.

The previous prime is 82574641. The next prime is 82574683. The reversal of 82574665 is 56647528.

It is a cyclic number.

It is not a de Polignac number, because 82574665 - 2⁷ = 82574537 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 80526 + ... + 81544.

It is an arithmetic number, because the mean of its divisors is an integer number (6533100).

Almost surely, 2^82574665 is an apocalyptic number.

It is an amenable number.

82574665 is a deficient number, since it is larger than the sum of its proper divisors (21954935).

82574665 is a wasteful number, since it uses less digits than its factorization.

82574665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its digits is 403200, while the sum is 43.

The square root of 82574665 is about 9087.0603057314. The cubic root of 82574665 is about 435.4606737214.

The spelling of 82574665 in words is "eighty-two million, five hundred seventy-four thousand, six hundred sixty-five".