306674372 has 6 divisors (see below), whose sum is σ = 536680158. Its totient is φ = 153337184.

The previous prime is 306674369. The next prime is 306674399. The reversal of 306674372 is 273476603.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 283787716 + 22886656 = 16846^2 + 4784^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38334293 + ... + 38334300.

It is an arithmetic number, because the mean of its divisors is an integer number (89446693).

Almost surely, 2^306674372 is an apocalyptic number.

It is an amenable number.

306674372 is a deficient number, since it is larger than the sum of its proper divisors (230005786).

306674372 is a wasteful number, since it uses less digits than its factorization.

306674372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76668597 (or 76668595 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 306674372 is about 17512.1207168064. The cubic root of 306674372 is about 674.3610758900.

The spelling of 306674372 in words is "three hundred six million, six hundred seventy-four thousand, three hundred seventy-two".