7429979 has 4 divisors (see below), whose sum is σ = 7611240. Its totient is φ = 7248720.

The previous prime is 7429963. The next prime is 7429993. The reversal of 7429979 is 9799247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9799247 = 113 ⋅86719.

It is a cyclic number.

It is not a de Polignac number, because 7429979 - 2⁴ = 7429963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7429999) 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, 90569 + ... + 90650.

It is an arithmetic number, because the mean of its divisors is an integer number (1902810).

Almost surely, 2^7429979 is an apocalyptic number.

7429979 is a deficient number, since it is larger than the sum of its proper divisors (181261).

7429979 is a wasteful number, since it uses less digits than its factorization.

7429979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181260.

The product of its digits is 285768, while the sum is 47.

The square root of 7429979 is about 2725.7987820087. The cubic root of 7429979 is about 195.1323143199.

The spelling of 7429979 in words is "seven million, four hundred twenty-nine thousand, nine hundred seventy-nine".