745790 has 32 divisors (see below), whose sum is σ = 1469664. Its totient is φ = 271360.

The previous prime is 745757. The next prime is 745817. The reversal of 745790 is 97547.

It is a congruent number.

It is an unprimeable number.

745790 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6917 + ... + 7023.

It is an arithmetic number, because the mean of its divisors is an integer number (45927).

2⁷⁴⁵⁷⁹⁰ is an apocalyptic number.

745790 is a deficient number, since it is larger than the sum of its proper divisors (723874).

745790 is a wasteful number, since it uses less digits than its factorization.

745790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 745790 is about 863.5913385392. The cubic root of 745790 is about 90.6857088272.

The spelling of 745790 in words is "seven hundred forty-five thousand, seven hundred ninety".