745772 has 12 divisors (see below), whose sum is σ = 1340640. Its totient is φ = 362736.

The previous prime is 745757. The next prime is 745817. The reversal of 745772 is 277547.

It is a happy number.

It is an unprimeable number.

745772 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 3 ways as a sum of consecutive naturals, for example, 2372 + ... + 2667.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2⁷⁴⁵⁷⁷² is an apocalyptic number.

It is an amenable number.

745772 is a deficient number, since it is larger than the sum of its proper divisors (594868).

745772 is a wasteful number, since it uses less digits than its factorization.

745772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5078 counting only the distinct ones).

The product of its digits is 13720, while the sum is 32.

The square root of 745772 is about 863.5809168804. The cubic root of 745772 is about 90.6849792403.

The spelling of 745772 in words is "seven hundred forty-five thousand, seven hundred seventy-two".