745806 has 8 divisors (see below), whose sum is σ = 1491624. Its totient is φ = 248600.

The previous prime is 745757. The next prime is 745817. The reversal of 745806 is 608547.

It is a happy number.

745806 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.

745806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

745806 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, 62145 + ... + 62156.

It is an arithmetic number, because the mean of its divisors is an integer number (186453).

2⁷⁴⁵⁸⁰⁶ is an apocalyptic number.

745806 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.

745806 is a wasteful number, since it uses less digits than its factorization.

745806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124306.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 745806 is about 863.6006021304. The cubic root of 745806 is about 90.6863573391.

It can be divided in two parts, 745 and 806, that added together give a palindrome (1551).

The spelling of 745806 in words is "seven hundred forty-five thousand, eight hundred six".