7944497 has 6 divisors (see below), whose sum is σ = 8732514. Its totient is φ = 7222160.

The previous prime is 7944487. The next prime is 7944523.

7944497 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 14641 = 2816^2 + 121^2 .

It is not a de Polignac number, because 7944497 - 2⁴ = 7944481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7944437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32708 + ... + 32949.

It is an arithmetic number, because the mean of its divisors is an integer number (1455419).

Almost surely, 2^7944497 is an apocalyptic number.

It is an amenable number.

7944497 is a deficient number, since it is larger than the sum of its proper divisors (788017).

7944497 is a wasteful number, since it uses less digits than its factorization.

7944497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65679 (or 65668 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 7944497 is about 2818.5984105580. The cubic root of 7944497 is about 199.5364012111.

The spelling of 7944497 in words is "seven million, nine hundred forty-four thousand, four hundred ninety-seven".