7120344 has 64 divisors (see below), whose sum is σ = 22199040. Its totient is φ = 1848960.

The previous prime is 7120319. The next prime is 7120361. The reversal of 7120344 is 4430217.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 7120344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (346860).

Almost surely, 2^7120344 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 7120344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11099520).

7120344 is an abundant number, since it is smaller than the sum of its proper divisors (15078696).

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

7120344 is a wasteful number, since it uses less digits than its factorization.

7120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7120344 is about 2668.3972717720. The cubic root of 7120344 is about 192.3831325269.

The spelling of 7120344 in words is "seven million, one hundred twenty thousand, three hundred forty-four".