7930979 has 4 divisors (see below), whose sum is σ = 9063984. Its totient is φ = 6797976.

The previous prime is 7930943. The next prime is 7931003. The reversal of 7930979 is 9790397.

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

It is a cyclic number.

It is not a de Polignac number, because 7930979 - 2¹² = 7926883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7930579) 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, 566492 + ... + 566505.

It is an arithmetic number, because the mean of its divisors is an integer number (2265996).

Almost surely, 2^7930979 is an apocalyptic number.

7930979 is a deficient number, since it is larger than the sum of its proper divisors (1133005).

7930979 is a wasteful number, since it uses less digits than its factorization.

7930979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133004.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 7930979 is about 2816.1993892479. The cubic root of 7930979 is about 199.4231628942.

The spelling of 7930979 in words is "seven million, nine hundred thirty thousand, nine hundred seventy-nine".