745271264 has 24 divisors (see below), whose sum is σ = 1480972248. Its totient is φ = 369151360.

The previous prime is 745271249. The next prime is 745271281. The reversal of 745271264 is 462172547.

It is a congruent number.

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, 105407 + ... + 112254.

It is an arithmetic number, because the mean of its divisors is an integer number (61707177).

Almost surely, 2^745271264 is an apocalyptic number.

It is an amenable number.

745271264 is a deficient number, since it is larger than the sum of its proper divisors (735700984).

745271264 is a wasteful number, since it uses less digits than its factorization.

745271264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217778 (or 217770 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 745271264 is about 27299.6568476602. The cubic root of 745271264 is about 906.6467839738.

The spelling of 745271264 in words is "seven hundred forty-five million, two hundred seventy-one thousand, two hundred sixty-four".