306325730 has 16 divisors (see below), whose sum is σ = 575360064. Its totient is φ = 117202800.

The previous prime is 306325727. The next prime is 306325751. The reversal of 306325730 is 37523603.

306325730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 306325693 and 306325702.

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, 665696 + ... + 666155.

It is an arithmetic number, because the mean of its divisors is an integer number (35960004).

Almost surely, 2^306325730 is an apocalyptic number.

306325730 is a deficient number, since it is larger than the sum of its proper divisors (269034334).

306325730 is a wasteful number, since it uses less digits than its factorization.

306325730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331881.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 306325730 is about 17502.1635805405. The cubic root of 306325730 is about 674.1054304161.

The spelling of 306325730 in words is "three hundred six million, three hundred twenty-five thousand, seven hundred thirty".