747138266 has 32 divisors (see below), whose sum is σ = 1293252480. Its totient is φ = 317108736.

The previous prime is 747138263. The next prime is 747138331. The reversal of 747138266 is 662831747.

It is not an unprimeable number, because it can be changed into a prime (747138263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739970 + ... + 740978.

It is an arithmetic number, because the mean of its divisors is an integer number (40414140).

Almost surely, 2^747138266 is an apocalyptic number.

747138266 is a deficient number, since it is larger than the sum of its proper divisors (546114214).

747138266 is a wasteful number, since it uses less digits than its factorization.

747138266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its digits is 338688, while the sum is 44.

The square root of 747138266 is about 27333.8300645921. The cubic root of 747138266 is about 907.4032422447.

The spelling of 747138266 in words is "seven hundred forty-seven million, one hundred thirty-eight thousand, two hundred sixty-six".