747244668 has 24 divisors (see below), whose sum is σ = 1776469968. Its totient is φ = 244381696.

The previous prime is 747244661. The next prime is 747244697. The reversal of 747244668 is 866442747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747244661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586821 + ... + 588092.

It is an arithmetic number, because the mean of its divisors is an integer number (74019582).

Almost surely, 2^747244668 is an apocalyptic number.

It is an amenable number.

747244668 is an abundant number, since it is smaller than the sum of its proper divisors (1029225300).

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

747244668 is a wasteful number, since it uses less digits than its factorization.

747244668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174973 (or 1174971 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 48.

The square root of 747244668 is about 27335.7763379788. The cubic root of 747244668 is about 907.4463154576.

The spelling of 747244668 in words is "seven hundred forty-seven million, two hundred forty-four thousand, six hundred sixty-eight".