306402672 has 40 divisors (see below), whose sum is σ = 792171520. Its totient is φ = 102052800.

The previous prime is 306402671. The next prime is 306402731. The reversal of 306402672 is 276204603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306402671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106047 + ... + 108897.

It is an arithmetic number, because the mean of its divisors is an integer number (19804288).

Almost surely, 2^306402672 is an apocalyptic number.

It is an amenable number.

306402672 is an abundant number, since it is smaller than the sum of its proper divisors (485768848).

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

306402672 is a wasteful number, since it uses less digits than its factorization.

306402672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5095 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 306402672 is about 17504.3615136343. The cubic root of 306402672 is about 674.1618656341.

The spelling of 306402672 in words is "three hundred six million, four hundred two thousand, six hundred seventy-two".