727340668 has 6 divisors (see below), whose sum is σ = 1272846176. Its totient is φ = 363670332.

The previous prime is 727340641. The next prime is 727340671. The reversal of 727340668 is 866043727.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90917580 + ... + 90917587.

Almost surely, 2^727340668 is an apocalyptic number.

It is an amenable number.

727340668 is a deficient number, since it is larger than the sum of its proper divisors (545505508).

727340668 is a wasteful number, since it uses less digits than its factorization.

727340668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181835171 (or 181835169 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 727340668 is about 26969.2541239093. The cubic root of 727340668 is about 899.3166285714.

The spelling of 727340668 in words is "seven hundred twenty-seven million, three hundred forty thousand, six hundred sixty-eight".