70666673834 has 4 divisors (see below), whose sum is σ = 106000010754. Its totient is φ = 35333336916.

The previous prime is 70666673821. The next prime is 70666673893. The reversal of 70666673834 is 43837666607.

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

It can be written as a sum of positive squares in only one way, i.e., 66303675025 + 4362998809 = 257495^2 + 66053^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70666673834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17666668457 + ... + 17666668460.

Almost surely, 2^70666673834 is an apocalyptic number.

70666673834 is a deficient number, since it is larger than the sum of its proper divisors (35333336920).

70666673834 is a wasteful number, since it uses less digits than its factorization.

70666673834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35333336919.

The product of its (nonzero) digits is 18289152, while the sum is 56.

The spelling of 70666673834 in words is "seventy billion, six hundred sixty-six million, six hundred seventy-three thousand, eight hundred thirty-four".