82572986 has 8 divisors (see below), whose sum is σ = 126740064. Its totient is φ = 40326300.

The previous prime is 82572953. The next prime is 82573019. The reversal of 82572986 is 68927528.

It is an interprime number because it is at equal distance from previous prime (82572953) and next prime (82573019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 82572986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479990 + ... + 480161.

It is an arithmetic number, because the mean of its divisors is an integer number (15842508).

Almost surely, 2^82572986 is an apocalyptic number.

82572986 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

82572986 is a deficient number, since it is larger than the sum of its proper divisors (44167078).

82572986 is a wasteful number, since it uses less digits than its factorization.

82572986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960196.

The product of its digits is 483840, while the sum is 47.

The square root of 82572986 is about 9086.9679211495. The cubic root of 82572986 is about 435.4577222777.

The spelling of 82572986 in words is "eighty-two million, five hundred seventy-two thousand, nine hundred eighty-six".