70764609163 has 4 divisors (see below), whose sum is σ = 70771549608. Its totient is φ = 70757668720.

The previous prime is 70764609161. The next prime is 70764609233. The reversal of 70764609163 is 36190646707.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70764609163 - 2¹ = 70764609161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70764609161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3454906 + ... + 3475327.

It is an arithmetic number, because the mean of its divisors is an integer number (17692887402).

Almost surely, 2^70764609163 is an apocalyptic number.

70764609163 is a deficient number, since it is larger than the sum of its proper divisors (6940445).

70764609163 is a wasteful number, since it uses less digits than its factorization.

70764609163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940444.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 70764609163 in words is "seventy billion, seven hundred sixty-four million, six hundred nine thousand, one hundred sixty-three".