747730712 has 32 divisors (see below), whose sum is σ = 1485231600. Its totient is φ = 351921024.

The previous prime is 747730699. The next prime is 747730717. The reversal of 747730712 is 217037747.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747730717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8198 + ... + 39530.

Almost surely, 2^747730712 is an apocalyptic number.

It is an amenable number.

747730712 is a deficient number, since it is larger than the sum of its proper divisors (737500888).

747730712 is a wasteful number, since it uses less digits than its factorization.

747730712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31515 (or 31511 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 747730712 is about 27344.6651469715. The cubic root of 747730712 is about 907.6430217761.

The spelling of 747730712 in words is "seven hundred forty-seven million, seven hundred thirty thousand, seven hundred twelve".