745857632 has 24 divisors (see below), whose sum is σ = 1581362496. Its totient is φ = 344241792.

The previous prime is 745857631. The next prime is 745857659. The reversal of 745857632 is 236758547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745857631) by changing a digit.

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, 896048 + ... + 896879.

It is an arithmetic number, because the mean of its divisors is an integer number (65890104).

Almost surely, 2^745857632 is an apocalyptic number.

It is an amenable number.

745857632 is an abundant number, since it is smaller than the sum of its proper divisors (835504864).

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

745857632 is a wasteful number, since it uses less digits than its factorization.

745857632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792950 (or 1792942 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 47.

The square root of 745857632 is about 27310.3942117283. The cubic root of 745857632 is about 906.8845002356.

The spelling of 745857632 in words is "seven hundred forty-five million, eight hundred fifty-seven thousand, six hundred thirty-two".