731466668 has 12 divisors (see below), whose sum is σ = 1280257272. Its totient is φ = 365678880.

The previous prime is 731466661. The next prime is 731466707. The reversal of 731466668 is 866664137.

It is not an unprimeable number, because it can be changed into a prime (731466661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40571 + ... + 55757.

It is an arithmetic number, because the mean of its divisors is an integer number (106688106).

Almost surely, 2^731466668 is an apocalyptic number.

It is an amenable number.

731466668 is a deficient number, since it is larger than the sum of its proper divisors (548790604).

731466668 is a wasteful number, since it uses less digits than its factorization.

731466668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27232 (or 27230 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 731466668 is about 27045.6404620042. The cubic root of 731466668 is about 901.0139469625.

The spelling of 731466668 in words is "seven hundred thirty-one million, four hundred sixty-six thousand, six hundred sixty-eight".