679907004 has 48 divisors (see below), whose sum is σ = 1871579136. Its totient is φ = 187992000.

The previous prime is 679907003. The next prime is 679907021. The reversal of 679907004 is 400709976.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679907003) 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, 127947 + ... + 133154.

It is an arithmetic number, because the mean of its divisors is an integer number (38991232).

Almost surely, 2^679907004 is an apocalyptic number.

It is an amenable number.

679907004 is an abundant number, since it is smaller than the sum of its proper divisors (1191672132).

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

679907004 is a wasteful number, since it uses less digits than its factorization.

679907004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261146 (or 261144 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 679907004 is about 26075.0264429396. The cubic root of 679907004 is about 879.3258455872.

The spelling of 679907004 in words is "six hundred seventy-nine million, nine hundred seven thousand, four".