679732 has 6 divisors (see below), whose sum is σ = 1189538. Its totient is φ = 339864.

The previous prime is 679709. The next prime is 679733. The reversal of 679732 is 237976.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 80656 = 774^2 + 284^2 .

It is a d-powerful number, because it can be written as 6⁴ + 7⁵ + 7⁶ + 9 + 3⁹ + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84963 + ... + 84970.

2⁶⁷⁹⁷³² is an apocalyptic number.

It is an amenable number.

679732 is a deficient number, since it is larger than the sum of its proper divisors (509806).

679732 is a wasteful number, since it uses less digits than its factorization.

679732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169937 (or 169935 counting only the distinct ones).

The product of its digits is 15876, while the sum is 34.

The square root of 679732 is about 824.4586102407. The cubic root of 679732 is about 87.9250394707.

The spelling of 679732 in words is "six hundred seventy-nine thousand, seven hundred thirty-two".