70795979 has 2 divisors, whose sum is σ = 70795980. Its totient is φ = 70795978.

The previous prime is 70795951. The next prime is 70795993. The reversal of 70795979 is 97959707.

It is a strong prime.

It is an emirp because it is prime and its reverse (97959707) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70795979 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70795979.

It is not a weakly prime, because it can be changed into another prime (70795079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35397989 + 35397990.

It is an arithmetic number, because the mean of its divisors is an integer number (35397990).

Almost surely, 2^70795979 is an apocalyptic number.

70795979 is a deficient number, since it is larger than the sum of its proper divisors (1).

70795979 is an equidigital number, since it uses as much as digits as its factorization.

70795979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1250235, while the sum is 53.

The square root of 70795979 is about 8414.0346445686. The cubic root of 70795979 is about 413.6847682413.

The spelling of 70795979 in words is "seventy million, seven hundred ninety-five thousand, nine hundred seventy-nine".