7444447 has 8 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 7029144.

The previous prime is 7444441. The next prime is 7444457.

7444447 is nontrivially palindromic in base 10.

7444447 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 7444447 - 2³ = 7444439 is a prime.

It is a super-2 number, since 2×7444447² = 110839582271618, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 8454 + ... + 9292.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^7444447 is an apocalyptic number.

7444447 is a deficient number, since it is larger than the sum of its proper divisors (417953).

7444447 is a wasteful number, since it uses less digits than its factorization.

7444447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its digits is 50176, while the sum is 34.

The square root of 7444447 is about 2728.4513922736. The cubic root of 7444447 is about 195.2588890981.

It can be divided in two parts, 74 and 44447, that added together give a square (44521 = 211²).

The spelling of 7444447 in words is "seven million, four hundred forty-four thousand, four hundred forty-seven".