747967812 has 12 divisors (see below), whose sum is σ = 1745258256. Its totient is φ = 249322600.

The previous prime is 747967811. The next prime is 747967849. The reversal of 747967812 is 218769747.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (747967811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31165314 + ... + 31165337.

It is an arithmetic number, because the mean of its divisors is an integer number (145438188).

Almost surely, 2^747967812 is an apocalyptic number.

It is an amenable number.

747967812 is an abundant number, since it is smaller than the sum of its proper divisors (997290444).

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

747967812 is a wasteful number, since it uses less digits than its factorization.

747967812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62330658 (or 62330656 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 747967812 is about 27349.0002011042. Note that the first 3 decimals coincide. The cubic root of 747967812 is about 907.7389473166.

The spelling of 747967812 in words is "seven hundred forty-seven million, nine hundred sixty-seven thousand, eight hundred twelve".