7017979 has 2 divisors, whose sum is σ = 7017980. Its totient is φ = 7017978.

The previous prime is 7017977. The next prime is 7018019. The reversal of 7017979 is 9797107.

It is a happy number.

It is an a-pointer prime, because the next prime (7018019) can be obtained adding 7017979 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (9797107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7017979 - 2¹ = 7017977 is a prime.

Together with 7017977, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₇₇₇₇₈ and since 7017979 and 477778 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (7017977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3508989 + 3508990.

It is an arithmetic number, because the mean of its divisors is an integer number (3508990).

Almost surely, 2^7017979 is an apocalyptic number.

7017979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7017979 is an equidigital number, since it uses as much as digits as its factorization.

7017979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27783, while the sum is 40.

The square root of 7017979 is about 2649.1468437971. The cubic root of 7017979 is about 191.4567524997.

The spelling of 7017979 in words is "seven million, seventeen thousand, nine hundred seventy-nine".