7444444 has 12 divisors (see below), whose sum is σ = 14888944. Its totient is φ = 3190464.

The previous prime is 7444441. The next prime is 7444457. The reversal of 7444444 is 4444447.

7444444 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

7444444 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

7444444 is a modest number, since divided by 4444 gives 744 as remainder.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444441) 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, 132909 + ... + 132964.

Almost surely, 2^7444444 is an apocalyptic number.

It is an amenable number.

7444444 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.

7444444 is a wasteful number, since it uses less digits than its factorization.

7444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265884 (or 265882 counting only the distinct ones).

The product of its digits is 28672, while the sum is 31.

The square root of 7444444 is about 2728.4508425112. The cubic root of 7444444 is about 195.2588628693.

The spelling of 7444444 in words is "seven million, four hundred forty-four thousand, four hundred forty-four".