747912 has 32 divisors (see below), whose sum is σ = 2040480. Its totient is φ = 226560.

The previous prime is 747889. The next prime is 747917. The reversal of 747912 is 219747.

It is a self number, because there is not a number n which added to its sum of digits gives 747912.

It is not an unprimeable number, because it can be changed into a prime (747917) 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, 1153 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (63765).

2⁷⁴⁷⁹¹² is an apocalyptic number.

It is an amenable number.

747912 is an abundant number, since it is smaller than the sum of its proper divisors (1292568).

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

747912 is a wasteful number, since it uses less digits than its factorization.

747912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2849 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 747912 is about 864.8190562193. The cubic root of 747912 is about 90.7716368811.

The spelling of 747912 in words is "seven hundred forty-seven thousand, nine hundred twelve".