679233132 has 18 divisors (see below), whose sum is σ = 1716950508. Its totient is φ = 226411032.

The previous prime is 679233103. The next prime is 679233167. The reversal of 679233132 is 231332976.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×679233132² = 922715295213058848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18867587 = 679233132 / (6 + 7 + 9 + 2 + 3 + 3 + 1 + 3 + 2).

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, 9433758 + ... + 9433829.

Almost surely, 2^679233132 is an apocalyptic number.

It is an amenable number.

679233132 is an abundant number, since it is smaller than the sum of its proper divisors (1037717376).

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

679233132 is a wasteful number, since it uses less digits than its factorization.

679233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18867597 (or 18867592 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 679233132 is about 26062.1014501901. The cubic root of 679233132 is about 879.0352426395.

The spelling of 679233132 in words is "six hundred seventy-nine million, two hundred thirty-three thousand, one hundred thirty-two".