745793270728 has 16 divisors (see below), whose sum is σ = 1525486235760. Its totient is φ = 338996941200.

The previous prime is 745793270701. The next prime is 745793270743. The reversal of 745793270728 is 827072397547.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4237461678 + ... + 4237461853.

It is an arithmetic number, because the mean of its divisors is an integer number (95342889735).

Almost surely, 2^745793270728 is an apocalyptic number.

It is an amenable number.

745793270728 is an abundant number, since it is smaller than the sum of its proper divisors (779692965032).

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

745793270728 is a wasteful number, since it uses less digits than its factorization.

745793270728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474923548 (or 8474923544 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 61.

The spelling of 745793270728 in words is "seven hundred forty-five billion, seven hundred ninety-three million, two hundred seventy thousand, seven hundred twenty-eight".