745492 has 12 divisors (see below), whose sum is σ = 1423296. Its totient is φ = 338840.

The previous prime is 745477. The next prime is 745517. The reversal of 745492 is 294547.

745492 = 134² + 135² + ... + 166².

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428 + ... + 8515.

It is an arithmetic number, because the mean of its divisors is an integer number (118608).

2⁷⁴⁵⁴⁹² is an apocalyptic number.

It is an amenable number.

745492 is a deficient number, since it is larger than the sum of its proper divisors (677804).

745492 is a wasteful number, since it uses less digits than its factorization.

745492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16958 (or 16956 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 745492 is about 863.4187859897. The cubic root of 745492 is about 90.6736285984.

The spelling of 745492 in words is "seven hundred forty-five thousand, four hundred ninety-two".