745080 has 64 divisors (see below), whose sum is σ = 2557440. Its totient is φ = 170112.

The previous prime is 745067. The next prime is 745103. The reversal of 745080 is 80547.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 745080.

It is a congruent number.

It is an unprimeable number.

745080 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 15 ways as a sum of consecutive naturals, for example, 397 + ... + 1283.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁷⁴⁵⁰⁸⁰ is an apocalyptic number.

745080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278720).

745080 is an abundant number, since it is smaller than the sum of its proper divisors (1812360).

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

745080 is a wasteful number, since it uses less digits than its factorization.

745080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 745080 is about 863.1801665933. The cubic root of 745080 is about 90.6569217708.

The spelling of 745080 in words is "seven hundred forty-five thousand, eighty".