679625904 has 80 divisors (see below), whose sum is σ = 1830597120. Its totient is φ = 217002240.

The previous prime is 679625899. The next prime is 679625909. The reversal of 679625904 is 409526976.

It is an interprime number because it is at equal distance from previous prime (679625899) and next prime (679625909).

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

It is not an unprimeable number, because it can be changed into a prime (679625909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180489 + ... + 184215.

It is an arithmetic number, because the mean of its divisors is an integer number (22882464).

Almost surely, 2^679625904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679625904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915298560).

679625904 is an abundant number, since it is smaller than the sum of its proper divisors (1150971216).

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

679625904 is a wasteful number, since it uses less digits than its factorization.

679625904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3892 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 679625904 is about 26069.6356706418. The cubic root of 679625904 is about 879.2046463810.

The spelling of 679625904 in words is "six hundred seventy-nine million, six hundred twenty-five thousand, nine hundred four".