679270392 has 24 divisors (see below), whose sum is σ = 1839690840. Its totient is φ = 226423440.

The previous prime is 679270373. The next prime is 679270439. The reversal of 679270392 is 293072976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×679270392² = 922816530895667328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4717084 + ... + 4717227.

It is an arithmetic number, because the mean of its divisors is an integer number (76653785).

Almost surely, 2^679270392 is an apocalyptic number.

It is an amenable number.

679270392 is an abundant number, since it is smaller than the sum of its proper divisors (1160420448).

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

679270392 is a wasteful number, since it uses less digits than its factorization.

679270392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434323 (or 9434316 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 679270392 is about 26062.8162714623. The cubic root of 679270392 is about 879.0513157926.

The spelling of 679270392 in words is "six hundred seventy-nine million, two hundred seventy thousand, three hundred ninety-two".