745663732 has 12 divisors (see below), whose sum is σ = 1423539936. Its totient is φ = 338938040.

The previous prime is 745663717. The next prime is 745663753. The reversal of 745663732 is 237366547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8473408 + ... + 8473495.

It is an arithmetic number, because the mean of its divisors is an integer number (118628328).

Almost surely, 2^745663732 is an apocalyptic number.

It is an amenable number.

745663732 is a deficient number, since it is larger than the sum of its proper divisors (677876204).

745663732 is a wasteful number, since it uses less digits than its factorization.

745663732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946918 (or 16946916 counting only the distinct ones).

The product of its digits is 635040, while the sum is 43.

The square root of 745663732 is about 27306.8440505306. The cubic root of 745663732 is about 906.8059060833.

The spelling of 745663732 in words is "seven hundred forty-five million, six hundred sixty-three thousand, seven hundred thirty-two".