745656736 has 24 divisors (see below), whose sum is σ = 1601468064. Its totient is φ = 338934720.

The previous prime is 745656727. The next prime is 745656749. The reversal of 745656736 is 637656547.

It is a self number, because there is not a number n which added to its sum of digits gives 745656736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058820 + ... + 1059523.

It is an arithmetic number, because the mean of its divisors is an integer number (66727836).

Almost surely, 2^745656736 is an apocalyptic number.

It is an amenable number.

745656736 is an abundant number, since it is smaller than the sum of its proper divisors (855811328).

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

745656736 is a wasteful number, since it uses less digits than its factorization.

745656736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118364 (or 2118356 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 49.

The square root of 745656736 is about 27306.7159504764. The cubic root of 745656736 is about 906.8030701160.

The spelling of 745656736 in words is "seven hundred forty-five million, six hundred fifty-six thousand, seven hundred thirty-six".