745499 has 4 divisors (see below), whose sum is σ = 777936. Its totient is φ = 713064.

The previous prime is 745477. The next prime is 745517. The reversal of 745499 is 994547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745499 - 2⁸ = 745243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16184 + ... + 16229.

It is an arithmetic number, because the mean of its divisors is an integer number (194484).

2⁷⁴⁵⁴⁹⁹ is an apocalyptic number.

745499 is a deficient number, since it is larger than the sum of its proper divisors (32437).

745499 is a wasteful number, since it uses less digits than its factorization.

745499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32436.

The product of its digits is 45360, while the sum is 38.

The square root of 745499 is about 863.4228396331. The cubic root of 745499 is about 90.6739123991.

The spelling of 745499 in words is "seven hundred forty-five thousand, four hundred ninety-nine".