679057732 has 12 divisors (see below), whose sum is σ = 1188545260. Its totient is φ = 339473376.

The previous prime is 679057723. The next prime is 679057751. The reversal of 679057732 is 237750976.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26050816 + 653006916 = 5104^2 + 25554^2 .

It is a super-2 number, since 2×679057732² = 922238806777967648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27118 + ... + 45754.

Almost surely, 2^679057732 is an apocalyptic number.

It is an amenable number.

679057732 is a deficient number, since it is larger than the sum of its proper divisors (509487528).

679057732 is a wasteful number, since it uses less digits than its factorization.

679057732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750 (or 27748 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 679057732 is about 26058.7361934534. The cubic root of 679057732 is about 878.9595709995.

The spelling of 679057732 in words is "six hundred seventy-nine million, fifty-seven thousand, seven hundred thirty-two".