679652400 has 120 divisors (see below), whose sum is σ = 2488205824. Its totient is φ = 155347200.

The previous prime is 679652377. The next prime is 679652417. The reversal of 679652400 is 4256976.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32056 + ... + 48855.

Almost surely, 2^679652400 is an apocalyptic number.

679652400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

679652400 is an abundant number, since it is smaller than the sum of its proper divisors (1808553424).

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

679652400 is a wasteful number, since it uses less digits than its factorization.

679652400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80939 (or 80928 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 679652400 is about 26070.1438431014. The cubic root of 679652400 is about 879.2160718351.

The spelling of 679652400 in words is "six hundred seventy-nine million, six hundred fifty-two thousand, four hundred".