662714680 has 32 divisors (see below), whose sum is σ = 1569589200. Its totient is φ = 251133696.

The previous prime is 662714671. The next prime is 662714707. The reversal of 662714680 is 86417266.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435237 + ... + 436756.

Almost surely, 2^662714680 is an apocalyptic number.

It is an amenable number.

662714680 is an abundant number, since it is smaller than the sum of its proper divisors (906874520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662714680 is a wasteful number, since it uses less digits than its factorization.

662714680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872023 (or 872019 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 662714680 is about 25743.2453276583. The cubic root of 662714680 is about 871.8508533456.

The spelling of 662714680 in words is "six hundred sixty-two million, seven hundred fourteen thousand, six hundred eighty".