7381044 has 120 divisors (see below), whose sum is σ = 22360800. Its totient is φ = 2099520.

The previous prime is 7380983. The next prime is 7381067. The reversal of 7381044 is 4401837.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7380999 and 7381017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 67662 + ... + 67770.

It is an arithmetic number, because the mean of its divisors is an integer number (186340).

Almost surely, 2^7381044 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 7381044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11180400).

7381044 is an abundant number, since it is smaller than the sum of its proper divisors (14979756).

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

7381044 is a wasteful number, since it uses less digits than its factorization.

7381044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 7381044 is about 2716.8076855015. The cubic root of 7381044 is about 194.7029797669.

7381044 divided by its sum of digits (27) gives a palindrome (273372).

The spelling of 7381044 in words is "seven million, three hundred eighty-one thousand, forty-four".