747656656746 has 16 divisors (see below), whose sum is σ = 1583272920384. Its totient is φ = 234558951104.

The previous prime is 747656656619. The next prime is 747656656829. The reversal of 747656656746 is 647656656747.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664983510 + ... + 3664983713.

It is an arithmetic number, because the mean of its divisors is an integer number (98954557524).

Almost surely, 2^747656656746 is an apocalyptic number.

747656656746 is an abundant number, since it is smaller than the sum of its proper divisors (835616263638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747656656746 is a wasteful number, since it uses less digits than its factorization.

747656656746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329967245.

The product of its digits is 1066867200, while the sum is 69.

Subtracting from 747656656746 its reverse (647656656747), we obtain a palindrome (99999999999).

The spelling of 747656656746 in words is "seven hundred forty-seven billion, six hundred fifty-six million, six hundred fifty-six thousand, seven hundred forty-six".