745580 has 24 divisors (see below), whose sum is σ = 1708560. Its totient is φ = 271040.

The previous prime is 745573. The next prime is 745601. The reversal of 745580 is 85547.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 1914.

It is an arithmetic number, because the mean of its divisors is an integer number (71190).

2⁷⁴⁵⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

745580 is an abundant number, since it is smaller than the sum of its proper divisors (962980).

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

745580 is a wasteful number, since it uses less digits than its factorization.

745580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 745580 is about 863.4697446929. The cubic root of 745580 is about 90.6771962492.

The spelling of 745580 in words is "seven hundred forty-five thousand, five hundred eighty".