745887 has 8 divisors (see below), whose sum is σ = 1004080. Its totient is φ = 492480.

The previous prime is 745873. The next prime is 745903. The reversal of 745887 is 788547.

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

It is not a de Polignac number, because 745887 - 2⁸ = 745631 is a prime.

It is a Duffinian number.

745887 is a lucky number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 814 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (125510).

2⁷⁴⁵⁸⁸⁷ is an apocalyptic number.

745887 is a deficient number, since it is larger than the sum of its proper divisors (258193).

745887 is a wasteful number, since it uses less digits than its factorization.

745887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its digits is 62720, while the sum is 39.

The square root of 745887 is about 863.6474975359. The cubic root of 745887 is about 90.6896402880.

It can be divided in two parts, 7458 and 87, that multiplied together give a palindrome (648846).

The spelling of 745887 in words is "seven hundred forty-five thousand, eight hundred eighty-seven".