749580 has 72 divisors (see below), whose sum is σ = 2335536. Its totient is φ = 178560.

The previous prime is 749557. The next prime is 749587. The reversal of 749580 is 85947.

It is not an unprimeable number, because it can be changed into a prime (749587) by changing a digit.

749580 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, 24165 + ... + 24195.

It is an arithmetic number, because the mean of its divisors is an integer number (32438).

2⁷⁴⁹⁵⁸⁰ 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 749580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167768).

749580 is an abundant number, since it is smaller than the sum of its proper divisors (1585956).

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

749580 is a wasteful number, since it uses less digits than its factorization.

749580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 749580 is about 865.7828827137. The cubic root of 749580 is about 90.8390666826.

The spelling of 749580 in words is "seven hundred forty-nine thousand, five hundred eighty".