745880 has 32 divisors (see below), whose sum is σ = 1738800. Its totient is φ = 287616.

The previous prime is 745873. The next prime is 745903. The reversal of 745880 is 88547.

It is a congruent number.

It is an unprimeable number.

745880 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 1481.

2⁷⁴⁵⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869400).

745880 is an abundant number, since it is smaller than the sum of its proper divisors (992920).

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

745880 is a wasteful number, since it uses less digits than its factorization.

745880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 679 counting only the distinct ones).

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

The square root of 745880 is about 863.6434449470. The cubic root of 745880 is about 90.6893565857.

The spelling of 745880 in words is "seven hundred forty-five thousand, eight hundred eighty".