306343680 has 72 divisors (see below), whose sum is σ = 978397392. Its totient is φ = 81690624.

The previous prime is 306343663. The next prime is 306343711. The reversal of 306343680 is 86343603.

306343680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36049 + ... + 43728.

Almost surely, 2^306343680 is an apocalyptic number.

306343680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

306343680 is an abundant number, since it is smaller than the sum of its proper divisors (672053712).

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

306343680 is an equidigital number, since it uses as much as digits as its factorization.

306343680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79801 (or 79787 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 306343680 is about 17502.6763667732. The cubic root of 306343680 is about 674.1185971805.

The spelling of 306343680 in words is "three hundred six million, three hundred forty-three thousand, six hundred eighty".