82724804 has 6 divisors (see below), whose sum is σ = 144768414. Its totient is φ = 41362400.

The previous prime is 82724777. The next prime is 82724821. The reversal of 82724804 is 40842728.

It can be written as a sum of positive squares in only one way, i.e., 51811204 + 30913600 = 7198^2 + 5560^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10340597 + ... + 10340604.

It is an arithmetic number, because the mean of its divisors is an integer number (24128069).

Almost surely, 2^82724804 is an apocalyptic number.

It is an amenable number.

82724804 is a deficient number, since it is larger than the sum of its proper divisors (62043610).

82724804 is a wasteful number, since it uses less digits than its factorization.

82724804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20681205 (or 20681203 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 82724804 is about 9095.3176964854. The cubic root of 82724804 is about 435.7244351918.

The spelling of 82724804 in words is "eighty-two million, seven hundred twenty-four thousand, eight hundred four".