306732 has 12 divisors (see below), whose sum is σ = 715736. Its totient is φ = 102240.

The previous prime is 306727. The next prime is 306739. The reversal of 306732 is 237603.

306732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 306699 and 306708.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306732.

It is not an unprimeable number, because it can be changed into a prime (306739) by changing a digit.

306732 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12769 + ... + 12792.

2³⁰⁶⁷³² is an apocalyptic number.

It is an amenable number.

306732 is an abundant number, since it is smaller than the sum of its proper divisors (409004).

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

306732 is a wasteful number, since it uses less digits than its factorization.

306732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25568 (or 25566 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 306732 is about 553.8339101211. The cubic root of 306732 is about 67.4403313575.

The spelling of 306732 in words is "three hundred six thousand, seven hundred thirty-two".