749320 has 64 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 249600.

The previous prime is 749299. The next prime is 749323. The reversal of 749320 is 23947.

749320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×749320² = 1122960924800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749323) by changing a digit.

749320 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, 5655 + ... + 5785.

It is an arithmetic number, because the mean of its divisors is an integer number (31185).

2⁷⁴⁹³²⁰ 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 749320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (997920).

749320 is an abundant number, since it is smaller than the sum of its proper divisors (1246520).

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

749320 is a wasteful number, since it uses less digits than its factorization.

749320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 749320 is about 865.6327165721. The cubic root of 749320 is about 90.8285626276.

The spelling of 749320 in words is "seven hundred forty-nine thousand, three hundred twenty".