7387344 has 90 divisors (see below), whose sum is σ = 21762806. Its totient is φ = 2338560.

The previous prime is 7387291. The next prime is 7387349. The reversal of 7387344 is 4437837.

It can be written as a sum of positive squares in 3 ways, for example, as 97344 + 7290000 = 312^2 + 2700^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7387299 and 7387308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7387349) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 121074 + ... + 121134.

Almost surely, 2^7387344 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 7387344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10881403).

7387344 is an abundant number, since it is smaller than the sum of its proper divisors (14375462).

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

7387344 is a wasteful number, since it uses less digits than its factorization.

7387344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 95 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 7387344 is about 2717.9668872155. The cubic root of 7387344 is about 194.7583594641.

The spelling of 7387344 in words is "seven million, three hundred eighty-seven thousand, three hundred forty-four".