745918 has 8 divisors (see below), whose sum is σ = 1133280. Its totient is φ = 368160.

The previous prime is 745903. The next prime is 745931. The reversal of 745918 is 819547.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

745918 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, 2203 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (141660).

2⁷⁴⁵⁹¹⁸ is an apocalyptic number.

745918 is a deficient number, since it is larger than the sum of its proper divisors (387362).

745918 is a wasteful number, since it uses less digits than its factorization.

745918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802.

The product of its digits is 10080, while the sum is 34.

The square root of 745918 is about 863.6654444865. The cubic root of 745918 is about 90.6908966624.

The spelling of 745918 in words is "seven hundred forty-five thousand, nine hundred eighteen".