745984 has 40 divisors (see below), whose sum is σ = 1571328. Its totient is φ = 353280.

The previous prime is 745981. The next prime is 745993. The reversal of 745984 is 489547.

Its product of digits (40320) is a multiple of the sum of its prime divisors (80).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745981) 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, 15849 + ... + 15895.

2⁷⁴⁵⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785664).

745984 is an abundant number, since it is smaller than the sum of its proper divisors (825344).

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

745984 is an equidigital number, since it uses as much as digits as its factorization.

745984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 80 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 745984 is about 863.7036528810. The cubic root of 745984 is about 90.6935714079.

The spelling of 745984 in words is "seven hundred forty-five thousand, nine hundred eighty-four".