682372666 has 4 divisors (see below), whose sum is σ = 1023559002. Its totient is φ = 341186332.

The previous prime is 682372627. The next prime is 682372709. The reversal of 682372666 is 666273286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 644906025 + 37466641 = 25395^2 + 6121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170593165 + ... + 170593168.

Almost surely, 2^682372666 is an apocalyptic number.

682372666 is a deficient number, since it is larger than the sum of its proper divisors (341186336).

682372666 is a wasteful number, since it uses less digits than its factorization.

682372666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341186335.

The product of its digits is 870912, while the sum is 46.

The square root of 682372666 is about 26122.2637992958. The cubic root of 682372666 is about 880.3875126994.

The spelling of 682372666 in words is "six hundred eighty-two million, three hundred seventy-two thousand, six hundred sixty-six".