745872324 has 48 divisors (see below), whose sum is σ = 1806013440. Its totient is φ = 239410080.

The previous prime is 745872299. The next prime is 745872329. The reversal of 745872324 is 423278547.

It is a happy number.

745872324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (745872329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26457 + ... + 46815.

It is an arithmetic number, because the mean of its divisors is an integer number (37625280).

Almost surely, 2^745872324 is an apocalyptic number.

It is an amenable number.

745872324 is an abundant number, since it is smaller than the sum of its proper divisors (1060141116).

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

745872324 is a wasteful number, since it uses less digits than its factorization.

745872324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20480 (or 20478 counting only the distinct ones).

The product of its digits is 376320, while the sum is 42.

The square root of 745872324 is about 27310.6631922405. The cubic root of 745872324 is about 906.8904548392.

The spelling of 745872324 in words is "seven hundred forty-five million, eight hundred seventy-two thousand, three hundred twenty-four".