306704672 has 12 divisors (see below), whose sum is σ = 603824886. Its totient is φ = 153352320.

The previous prime is 306704663. The next prime is 306704677. The reversal of 306704672 is 276407603.

It can be written as a sum of positive squares in only one way, i.e., 222725776 + 83978896 = 14924^2 + 9164^2 .

It is not an unprimeable number, because it can be changed into a prime (306704677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4792229 + ... + 4792292.

Almost surely, 2^306704672 is an apocalyptic number.

306704672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

306704672 is a deficient number, since it is larger than the sum of its proper divisors (297120214).

306704672 is an equidigital number, since it uses as much as digits as its factorization.

306704672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9584531 (or 9584523 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 306704672 is about 17512.9858105350. The cubic root of 306704672 is about 674.3832845360.

The spelling of 306704672 in words is "three hundred six million, seven hundred four thousand, six hundred seventy-two".