70822702645 has 4 divisors (see below), whose sum is σ = 84987243180. Its totient is φ = 56658162112.

The previous prime is 70822702637. The next prime is 70822702681. The reversal of 70822702645 is 54620722807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54620722807 = 7 ⋅7802960401.

It can be written as a sum of positive squares in 2 ways, for example, as 13262055921 + 57560646724 = 115161^2 + 239918^2 .

It is a cyclic number.

It is not a de Polignac number, because 70822702645 - 2³ = 70822702637 is a prime.

It is a congruent 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, 7082270260 + ... + 7082270269.

It is an arithmetic number, because the mean of its divisors is an integer number (21246810795).

Almost surely, 2^70822702645 is an apocalyptic number.

It is an amenable number.

70822702645 is a deficient number, since it is larger than the sum of its proper divisors (14164540535).

70822702645 is a wasteful number, since it uses less digits than its factorization.

70822702645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14164540534.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 70822702645 in words is "seventy billion, eight hundred twenty-two million, seven hundred two thousand, six hundred forty-five".