747864126 has 24 divisors (see below), whose sum is σ = 1629331704. Its totient is φ = 247909680.

The previous prime is 747864107. The next prime is 747864179. The reversal of 747864126 is 621468747.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 111516 + ... + 118031.

It is an arithmetic number, because the mean of its divisors is an integer number (67888821).

Almost surely, 2^747864126 is an apocalyptic number.

747864126 is an abundant number, since it is smaller than the sum of its proper divisors (881467578).

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

747864126 is a wasteful number, since it uses less digits than its factorization.

747864126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229736 (or 229733 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 747864126 is about 27347.1045268050. The cubic root of 747864126 is about 907.6970006943.

The spelling of 747864126 in words is "seven hundred forty-seven million, eight hundred sixty-four thousand, one hundred twenty-six".