745756 has 24 divisors (see below), whose sum is σ = 1508976. Its totient is φ = 318720.

The previous prime is 745753. The next prime is 745757. The reversal of 745756 is 657547.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250 + ... + 1246.

It is an arithmetic number, because the mean of its divisors is an integer number (62874).

2⁷⁴⁵⁷⁵⁶ is an apocalyptic number.

It is an amenable number.

745756 is an abundant number, since it is smaller than the sum of its proper divisors (763220).

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

745756 is a wasteful number, since it uses less digits than its factorization.

745756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1027 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 745756 is about 863.5716530781. The cubic root of 745756 is about 90.6843307087.

Subtracting from 745756 its reverse (657547), we obtain a square (88209 = 297²).

The spelling of 745756 in words is "seven hundred forty-five thousand, seven hundred fifty-six".