745818 has 8 divisors (see below), whose sum is σ = 1491648. Its totient is φ = 248604.

The previous prime is 745817. The next prime is 745837. The reversal of 745818 is 818547.

It is a happy number.

745818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

745818 is an admirable number.

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

It is not an unprimeable number, because it can be changed into a prime (745817) 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, 62146 + ... + 62157.

It is an arithmetic number, because the mean of its divisors is an integer number (186456).

2⁷⁴⁵⁸¹⁸ is an apocalyptic number.

745818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745818 is a wasteful number, since it uses less digits than its factorization.

745818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124308.

The product of its digits is 8960, while the sum is 33.

The square root of 745818 is about 863.6075497586. The cubic root of 745818 is about 90.6868437169.

The spelling of 745818 in words is "seven hundred forty-five thousand, eight hundred eighteen".