7441638 has 8 divisors (see below), whose sum is σ = 14883288. Its totient is φ = 2480544.

The previous prime is 7441633. The next prime is 7441639. The reversal of 7441638 is 8361447.

7441638 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

7441638 is an admirable number.

It is a super-2 number, since 2×7441638² = 110755952246088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7441599 and 7441608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7441633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620131 + ... + 620142.

It is an arithmetic number, because the mean of its divisors is an integer number (1860411).

Almost surely, 2^7441638 is an apocalyptic number.

7441638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7441638 is a wasteful number, since it uses less digits than its factorization.

7441638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240278.

The product of its digits is 16128, while the sum is 33.

The square root of 7441638 is about 2727.9365828406. The cubic root of 7441638 is about 195.2343271116.

The spelling of 7441638 in words is "seven million, four hundred forty-one thousand, six hundred thirty-eight".