7992213 has 4 divisors (see below), whose sum is σ = 10656288. Its totient is φ = 5328140.

The previous prime is 7992181. The next prime is 7992221. The reversal of 7992213 is 3122997.

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.

It is a cyclic number.

It is not a de Polignac number, because 7992213 - 2⁵ = 7992181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7992223) 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, 1332033 + ... + 1332038.

It is an arithmetic number, because the mean of its divisors is an integer number (2664072).

Almost surely, 2^7992213 is an apocalyptic number.

It is an amenable number.

7992213 is a deficient number, since it is larger than the sum of its proper divisors (2664075).

7992213 is a wasteful number, since it uses less digits than its factorization.

7992213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664074.

The product of its digits is 6804, while the sum is 33.

The square root of 7992213 is about 2827.0502294795. The cubic root of 7992213 is about 199.9350872673.

It can be divided in two parts, 79 and 92213, that multiplied together give a palindrome (7284827).

The spelling of 7992213 in words is "seven million, nine hundred ninety-two thousand, two hundred thirteen".