747689696744 has 32 divisors (see below), whose sum is σ = 1459993545000. Its totient is φ = 358531122432.

The previous prime is 747689696737. The next prime is 747689696779. The reversal of 747689696744 is 447696986747.

It can be written as a sum of positive squares in 4 ways, for example, as 466163948644 + 281525748100 = 682762^2 + 530590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10780199 + ... + 10849334.

Almost surely, 2^747689696744 is an apocalyptic number.

It is an amenable number.

747689696744 is a deficient number, since it is larger than the sum of its proper divisors (712303848256).

747689696744 is a wasteful number, since it uses less digits than its factorization.

747689696744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21629717 (or 21629713 counting only the distinct ones).

The product of its digits is 3072577536, while the sum is 77.

The spelling of 747689696744 in words is "seven hundred forty-seven billion, six hundred eighty-nine million, six hundred ninety-six thousand, seven hundred forty-four".