70684699 has 2 divisors, whose sum is σ = 70684700. Its totient is φ = 70684698.

The previous prime is 70684673. The next prime is 70684703. The reversal of 70684699 is 99648607.

It is a strong prime.

It is an emirp because it is prime and its reverse (99648607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70684699 - 2⁵ = 70684667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70684609) 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, 35342349 + 35342350.

It is an arithmetic number, because the mean of its divisors is an integer number (35342350).

Almost surely, 2^70684699 is an apocalyptic number.

70684699 is a deficient number, since it is larger than the sum of its proper divisors (1).

70684699 is an equidigital number, since it uses as much as digits as its factorization.

70684699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 70684699 is about 8407.4192829905. The cubic root of 70684699 is about 413.4679057276.

The spelling of 70684699 in words is "seventy million, six hundred eighty-four thousand, six hundred ninety-nine".