745808 has 20 divisors (see below), whose sum is σ = 1651680. Its totient is φ = 319584.

The previous prime is 745757. The next prime is 745817. The reversal of 745808 is 808547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (82584).

2⁷⁴⁵⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

745808 is an abundant number, since it is smaller than the sum of its proper divisors (905872).

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

745808 is a wasteful number, since it uses less digits than its factorization.

745808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674 (or 6668 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 745808 is about 863.6017600723. The cubic root of 745808 is about 90.6864384024.

The spelling of 745808 in words is "seven hundred forty-five thousand, eight hundred eight".