730727668 has 12 divisors (see below), whose sum is σ = 1395025632. Its totient is φ = 332148920.

The previous prime is 730727633. The next prime is 730727693. The reversal of 730727668 is 866727037.

It is a congruent number.

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, 8303680 + ... + 8303767.

It is an arithmetic number, because the mean of its divisors is an integer number (116252136).

Almost surely, 2^730727668 is an apocalyptic number.

It is an amenable number.

730727668 is a deficient number, since it is larger than the sum of its proper divisors (664297964).

730727668 is a wasteful number, since it uses less digits than its factorization.

730727668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16607462 (or 16607460 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 730727668 is about 27031.9749186033. The cubic root of 730727668 is about 900.7104135742.

The spelling of 730727668 in words is "seven hundred thirty million, seven hundred twenty-seven thousand, six hundred sixty-eight".