745304832 has 108 divisors (see below), whose sum is σ = 2184537264. Its totient is φ = 244316160.

The previous prime is 745304827. The next prime is 745304869. The reversal of 745304832 is 238403547.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137893 + ... + 143195.

Almost surely, 2^745304832 is an apocalyptic number.

745304832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745304832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092268632).

745304832 is an abundant number, since it is smaller than the sum of its proper divisors (1439232432).

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

745304832 is a wasteful number, since it uses less digits than its factorization.

745304832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 745304832 is about 27300.2716470001. The cubic root of 745304832 is about 906.6603959582.

The spelling of 745304832 in words is "seven hundred forty-five million, three hundred four thousand, eight hundred thirty-two".