7992997 has 4 divisors (see below), whose sum is σ = 7999360. Its totient is φ = 7986636.

The previous prime is 7992973. The next prime is 7993021.

7992997 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (7992973) and next prime (7993021).

It is a cyclic number.

It is not a de Polignac number, because 7992997 - 2⁷ = 7992869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7996997) 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, 597 + ... + 4042.

It is an arithmetic number, because the mean of its divisors is an integer number (1999840).

Almost surely, 2^7992997 is an apocalyptic number.

It is an amenable number.

7992997 is a deficient number, since it is larger than the sum of its proper divisors (6363).

7992997 is a wasteful number, since it uses less digits than its factorization.

7992997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6362.

The product of its digits is 642978, while the sum is 52.

The square root of 7992997 is about 2827.1888865090. The cubic root of 7992997 is about 199.9416246299.

The spelling of 7992997 in words is "seven million, nine hundred ninety-two thousand, nine hundred ninety-seven".