305672732 has 12 divisors (see below), whose sum is σ = 541372776. Its totient is φ = 150994800.

The previous prime is 305672729. The next prime is 305672747. The reversal of 305672732 is 237276503.

305672732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 305672692 and 305672701.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 460019 + ... + 460682.

It is an arithmetic number, because the mean of its divisors is an integer number (45114398).

Almost surely, 2^305672732 is an apocalyptic number.

It is an amenable number.

305672732 is a deficient number, since it is larger than the sum of its proper divisors (235700044).

305672732 is a wasteful number, since it uses less digits than its factorization.

305672732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920788 (or 920786 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 305672732 is about 17483.4988489147. The cubic root of 305672732 is about 673.6260902766.

The spelling of 305672732 in words is "three hundred five million, six hundred seventy-two thousand, seven hundred thirty-two".