747628892 has 12 divisors (see below), whose sum is σ = 1365235536. Its totient is φ = 357561600.

The previous prime is 747628879. The next prime is 747628897. The reversal of 747628892 is 298826747.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747628897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4063109 + ... + 4063292.

It is an arithmetic number, because the mean of its divisors is an integer number (113769628).

Almost surely, 2^747628892 is an apocalyptic number.

It is an amenable number.

747628892 is a deficient number, since it is larger than the sum of its proper divisors (617606644).

747628892 is a wasteful number, since it uses less digits than its factorization.

747628892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126428 (or 8126426 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 53.

The square root of 747628892 is about 27342.8032944685. The cubic root of 747628892 is about 907.6018213786.

The spelling of 747628892 in words is "seven hundred forty-seven million, six hundred twenty-eight thousand, eight hundred ninety-two".