747664712 has 8 divisors (see below), whose sum is σ = 1401871350. Its totient is φ = 373832352.

The previous prime is 747664711. The next prime is 747664741. The reversal of 747664712 is 217466747.

It can be written as a sum of positive squares in only one way, i.e., 573794116 + 173870596 = 23954^2 + 13186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (747664711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46729037 + ... + 46729052.

Almost surely, 2^747664712 is an apocalyptic number.

It is an amenable number.

747664712 is a deficient number, since it is larger than the sum of its proper divisors (654206638).

747664712 is a wasteful number, since it uses less digits than its factorization.

747664712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93458095 (or 93458091 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 747664712 is about 27343.4583035870. The cubic root of 747664712 is about 907.6163159932.

The spelling of 747664712 in words is "seven hundred forty-seven million, six hundred sixty-four thousand, seven hundred twelve".