745645716 has 48 divisors (see below), whose sum is σ = 1935998400. Its totient is φ = 248183136.

The previous prime is 745645679. The next prime is 745645727. The reversal of 745645716 is 617546547.

745645716 is a `hidden beast` number, since 74 + 5 + 6 + 4 + 571 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74455 + ... + 83873.

It is an arithmetic number, because the mean of its divisors is an integer number (40333300).

Almost surely, 2^745645716 is an apocalyptic number.

It is an amenable number.

745645716 is an abundant number, since it is smaller than the sum of its proper divisors (1190352684).

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

745645716 is a wasteful number, since it uses less digits than its factorization.

745645716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165 (or 10157 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 745645716 is about 27306.5141678684. The cubic root of 745645716 is about 906.7986029045.

The spelling of 745645716 in words is "seven hundred forty-five million, six hundred forty-five thousand, seven hundred sixteen".