7944697 has 4 divisors (see below), whose sum is σ = 7979620. Its totient is φ = 7909776.

The previous prime is 7944667. The next prime is 7944707. The reversal of 7944697 is 7964497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7964497 = 149 ⋅53453.

It can be written as a sum of positive squares in 2 ways, for example, as 6446521 + 1498176 = 2539^2 + 1224^2 .

It is a cyclic number.

It is not a de Polignac number, because 7944697 - 2¹⁹ = 7420409 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7944667) 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, 17118 + ... + 17575.

It is an arithmetic number, because the mean of its divisors is an integer number (1994905).

Almost surely, 2^7944697 is an apocalyptic number.

It is an amenable number.

7944697 is a deficient number, since it is larger than the sum of its proper divisors (34923).

7944697 is a wasteful number, since it uses less digits than its factorization.

7944697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34922.

The product of its digits is 381024, while the sum is 46.

The square root of 7944697 is about 2818.6338889611. The cubic root of 7944697 is about 199.5380756173.

The spelling of 7944697 in words is "seven million, nine hundred forty-four thousand, six hundred ninety-seven".