306773668 has 6 divisors (see below), whose sum is σ = 536853926. Its totient is φ = 153386832.

The previous prime is 306773659. The next prime is 306773671. The reversal of 306773668 is 866377603.

It can be written as a sum of positive squares in only one way, i.e., 284192164 + 22581504 = 16858^2 + 4752^2 .

It is a super-2 number, since 2×306773668² = 188220166756348448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38346705 + ... + 38346712.

Almost surely, 2^306773668 is an apocalyptic number.

It is an amenable number.

306773668 is a deficient number, since it is larger than the sum of its proper divisors (230080258).

306773668 is a wasteful number, since it uses less digits than its factorization.

306773668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76693421 (or 76693419 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 306773668 is about 17514.9555523273. The cubic root of 306773668 is about 674.4338502916.

The spelling of 306773668 in words is "three hundred six million, seven hundred seventy-three thousand, six hundred sixty-eight".