82790973 has 12 divisors (see below), whose sum is σ = 121101760. Its totient is φ = 54494856.

The previous prime is 82790957. The next prime is 82790977. The reversal of 82790973 is 37909728.

It is not a de Polignac number, because 82790973 - 2⁴ = 82790957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82790977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57511 + ... + 58932.

Almost surely, 2^82790973 is an apocalyptic number.

It is an amenable number.

82790973 is a deficient number, since it is larger than the sum of its proper divisors (38310787).

82790973 is a wasteful number, since it uses less digits than its factorization.

82790973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116528 (or 116525 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 82790973 is about 9098.9545003808. The cubic root of 82790973 is about 435.8405783760.

The spelling of 82790973 in words is "eighty-two million, seven hundred ninety thousand, nine hundred seventy-three".