7442679 has 4 divisors (see below), whose sum is σ = 9923576. Its totient is φ = 4961784.

The previous prime is 7442663. The next prime is 7442681. The reversal of 7442679 is 9762447.

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

It is not a de Polignac number, because 7442679 - 2⁴ = 7442663 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 (7443679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240444 + ... + 1240449.

It is an arithmetic number, because the mean of its divisors is an integer number (2480894).

Almost surely, 2^7442679 is an apocalyptic number.

7442679 is a deficient number, since it is larger than the sum of its proper divisors (2480897).

7442679 is a wasteful number, since it uses less digits than its factorization.

7442679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480896.

The product of its digits is 84672, while the sum is 39.

The square root of 7442679 is about 2728.1273797240. The cubic root of 7442679 is about 195.2434303699.

The spelling of 7442679 in words is "seven million, four hundred forty-two thousand, six hundred seventy-nine".