727149668 has 12 divisors (see below), whose sum is σ = 1454299392. Its totient is φ = 311635560.

The previous prime is 727149649. The next prime is 727149679. The reversal of 727149668 is 866941727.

727149668 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12984788 + ... + 12984843.

It is an arithmetic number, because the mean of its divisors is an integer number (121191616).

Almost surely, 2^727149668 is an apocalyptic number.

It is an amenable number.

727149668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

727149668 is a wasteful number, since it uses less digits than its factorization.

727149668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25969642 (or 25969640 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 727149668 is about 26965.7128220264. The cubic root of 727149668 is about 899.2379013572.

The spelling of 727149668 in words is "seven hundred twenty-seven million, one hundred forty-nine thousand, six hundred sixty-eight".