679625020 has 24 divisors (see below), whose sum is σ = 1462024368. Its totient is φ = 265219200.

The previous prime is 679624961. The next prime is 679625021. The reversal of 679625020 is 20526976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679625021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413586 + ... + 415225.

It is an arithmetic number, because the mean of its divisors is an integer number (60917682).

Almost surely, 2^679625020 is an apocalyptic number.

It is an amenable number.

679625020 is an abundant number, since it is smaller than the sum of its proper divisors (782399348).

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

679625020 is a wasteful number, since it uses less digits than its factorization.

679625020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828861 (or 828859 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 679625020 is about 26069.6187160457. The cubic root of 679625020 is about 879.2042651825.

The spelling of 679625020 in words is "six hundred seventy-nine million, six hundred twenty-five thousand, twenty".