746647731128 has 24 divisors (see below), whose sum is σ = 1515937888800. Its totient is φ = 344606644512.

The previous prime is 746647731127. The next prime is 746647731161. The reversal of 746647731128 is 821137746647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746647731121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276125768 + ... + 276128471.

It is an arithmetic number, because the mean of its divisors is an integer number (63164078700).

Almost surely, 2^746647731128 is an apocalyptic number.

It is an amenable number.

746647731128 is an abundant number, since it is smaller than the sum of its proper divisors (769290157672).

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

746647731128 is a wasteful number, since it uses less digits than its factorization.

746647731128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552254271 (or 552254254 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 56.

The spelling of 746647731128 in words is "seven hundred forty-six billion, six hundred forty-seven million, seven hundred thirty-one thousand, one hundred twenty-eight".