745864 has 32 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 302400.

The previous prime is 745859. The next prime is 745873. The reversal of 745864 is 468547.

It is an unprimeable number.

745864 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, 714 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2⁷⁴⁵⁸⁶⁴ 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 745864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842400).

745864 is an abundant number, since it is smaller than the sum of its proper divisors (938936).

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

745864 is a wasteful number, since it uses less digits than its factorization.

745864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 729 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 745864 is about 863.6341818154. The cubic root of 745864 is about 90.6887081168.

The spelling of 745864 in words is "seven hundred forty-five thousand, eight hundred sixty-four".