745564 has 6 divisors (see below), whose sum is σ = 1304744. Its totient is φ = 372780.

The previous prime is 745543. The next prime is 745567. The reversal of 745564 is 465547.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93192 + ... + 93199.

2⁷⁴⁵⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

745564 is a deficient number, since it is larger than the sum of its proper divisors (559180).

745564 is a wasteful number, since it uses less digits than its factorization.

745564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186395 (or 186393 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 745564 is about 863.4604796978. The cubic root of 745564 is about 90.6765476063.

The spelling of 745564 in words is "seven hundred forty-five thousand, five hundred sixty-four".