82746631 has 16 divisors (see below), whose sum is σ = 91808640. Its totient is φ = 73954080.

The previous prime is 82746619. The next prime is 82746647. The reversal of 82746631 is 13664728.

It is a cyclic number.

It is not a de Polignac number, because 82746631 - 2²³ = 74358023 is a prime.

It is a super-2 number, since 2×82746631² = 13694009883700322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82746731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269380 + ... + 269686.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^82746631 is an apocalyptic number.

82746631 is a deficient number, since it is larger than the sum of its proper divisors (9062009).

82746631 is a wasteful number, since it uses less digits than its factorization.

82746631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its digits is 48384, while the sum is 37.

The square root of 82746631 is about 9096.5175204580. The cubic root of 82746631 is about 435.7627538921.

The spelling of 82746631 in words is "eighty-two million, seven hundred forty-six thousand, six hundred thirty-one".