70826730785 has 4 divisors (see below), whose sum is σ = 84992076948. Its totient is φ = 56661384624.

The previous prime is 70826730773. The next prime is 70826730803. The reversal of 70826730785 is 58703762807.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47506997521 + 23319733264 = 217961^2 + 152708^2 .

It is a cyclic number.

It is not a de Polignac number, because 70826730785 - 2⁶ = 70826730721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7082673074 + ... + 7082673083.

It is an arithmetic number, because the mean of its divisors is an integer number (21248019237).

Almost surely, 2^70826730785 is an apocalyptic number.

It is an amenable number.

70826730785 is a deficient number, since it is larger than the sum of its proper divisors (14165346163).

70826730785 is a wasteful number, since it uses less digits than its factorization.

70826730785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14165346162.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 70826730785 in words is "seventy billion, eight hundred twenty-six million, seven hundred thirty thousand, seven hundred eighty-five".