680347004 has 24 divisors (see below), whose sum is σ = 1268397648. Its totient is φ = 318193920.

The previous prime is 680346943. The next prime is 680347051. The reversal of 680347004 is 400743086.

It is a happy number.

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, 19607 + ... + 41774.

It is an arithmetic number, because the mean of its divisors is an integer number (52849902).

Almost surely, 2^680347004 is an apocalyptic number.

It is an amenable number.

680347004 is a deficient number, since it is larger than the sum of its proper divisors (588050644).

680347004 is a wasteful number, since it uses less digits than its factorization.

680347004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61565 (or 61563 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 680347004 is about 26083.4622701818. The cubic root of 680347004 is about 879.5154891407.

The spelling of 680347004 in words is "six hundred eighty million, three hundred forty-seven thousand, four".