745928 has 8 divisors (see below), whose sum is σ = 1398630. Its totient is φ = 372960.

The previous prime is 745903. The next prime is 745931. The reversal of 745928 is 829547.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 550564 + 195364 = 742^2 + 442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

745928 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 as a sum of consecutive naturals, namely, 46613 + ... + 46628.

2⁷⁴⁵⁹²⁸ is an apocalyptic number.

It is an amenable number.

745928 is a deficient number, since it is larger than the sum of its proper divisors (652702).

745928 is a wasteful number, since it uses less digits than its factorization.

745928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93247 (or 93243 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 745928 is about 863.6712337458. The cubic root of 745928 is about 90.6913019370.

The spelling of 745928 in words is "seven hundred forty-five thousand, nine hundred twenty-eight".