70964879 has 2 divisors, whose sum is σ = 70964880. Its totient is φ = 70964878.

The previous prime is 70964869. The next prime is 70964897. The reversal of 70964879 is 97846907.

It is a happy number.

Together with next prime (70964897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70964879 - 2⁴ = 70964863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70964849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35482439 + 35482440.

It is an arithmetic number, because the mean of its divisors is an integer number (35482440).

Almost surely, 2^70964879 is an apocalyptic number.

70964879 is a deficient number, since it is larger than the sum of its proper divisors (1).

70964879 is an equidigital number, since it uses as much as digits as its factorization.

70964879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 70964879 is about 8424.0654674569. The cubic root of 70964879 is about 414.0134868454.

The spelling of 70964879 in words is "seventy million, nine hundred sixty-four thousand, eight hundred seventy-nine".