306345732 has 48 divisors (see below), whose sum is σ = 891190272. Its totient is φ = 79570080.

The previous prime is 306345731. The next prime is 306345733. The reversal of 306345732 is 237543603.

It is an interprime number because it is at equal distance from previous prime (306345731) and next prime (306345733).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 306345693 and 306345702.

It is not an unprimeable number, because it can be changed into a prime (306345731) 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 in 15 ways as a sum of consecutive naturals, for example, 164848 + ... + 166695.

It is an arithmetic number, because the mean of its divisors is an integer number (18566464).

Almost surely, 2^306345732 is an apocalyptic number.

It is an amenable number.

306345732 is an abundant number, since it is smaller than the sum of its proper divisors (584844540).

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

306345732 is a wasteful number, since it uses less digits than its factorization.

306345732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331568 (or 331566 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 33.

The square root of 306345732 is about 17502.7349862814. The cubic root of 306345732 is about 674.1201023400.

The spelling of 306345732 in words is "three hundred six million, three hundred forty-five thousand, seven hundred thirty-two".