7444004447 has 4 divisors (see below), whose sum is σ = 8120732136. Its totient is φ = 6767276760.

The previous prime is 7444004423. The next prime is 7444004473.

7444004447 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7444004447 - 2¹² = 7444000351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7444004447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444004147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338363828 + ... + 338363849.

It is an arithmetic number, because the mean of its divisors is an integer number (2030183034).

Almost surely, 2^7444004447 is an apocalyptic number.

7444004447 is a deficient number, since it is larger than the sum of its proper divisors (676727689).

7444004447 is a wasteful number, since it uses less digits than its factorization.

7444004447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676727688.

The product of its (nonzero) digits is 200704, while the sum is 38.

The square root of 7444004447 is about 86278.6442116472. The cubic root of 7444004447 is about 1952.5501981047.

It can be divided in two parts, 744400 and 4447, that added together give a palindrome (748847).

The spelling of 7444004447 in words is "seven billion, four hundred forty-four million, four thousand, four hundred forty-seven".