680874672 has 40 divisors (see below), whose sum is σ = 1766315520. Its totient is φ = 226004800.

The previous prime is 680874661. The next prime is 680874739. The reversal of 680874672 is 276478086.

It is a super-2 number, since 2×680874672² = 927180637942215168, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 18204 + ... + 41147.

It is an arithmetic number, because the mean of its divisors is an integer number (44157888).

Almost surely, 2^680874672 is an apocalyptic number.

It is an amenable number.

680874672 is an abundant number, since it is smaller than the sum of its proper divisors (1085440848).

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

680874672 is a wasteful number, since it uses less digits than its factorization.

680874672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59601 (or 59595 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 680874672 is about 26093.5753012116. The cubic root of 680874672 is about 879.7428105159.

The spelling of 680874672 in words is "six hundred eighty million, eight hundred seventy-four thousand, six hundred seventy-two".