745878 has 48 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 204624.

The previous prime is 745873. The next prime is 745903. The reversal of 745878 is 878547.

745878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745873) by changing a digit.

745878 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 23 ways as a sum of consecutive naturals, for example, 12613 + ... + 12671.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2⁷⁴⁵⁸⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902880).

745878 is an abundant number, since it is smaller than the sum of its proper divisors (1059882).

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

745878 is a wasteful number, since it uses less digits than its factorization.

745878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 114 counting only the distinct ones).

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

The square root of 745878 is about 863.6422870610. The cubic root of 745878 is about 90.6892755276.

The spelling of 745878 in words is "seven hundred forty-five thousand, eight hundred seventy-eight".