72836774063 has 4 divisors (see below), whose sum is σ = 72857846880. Its totient is φ = 72815701248.

The previous prime is 72836774051. The next prime is 72836774069. The reversal of 72836774063 is 36047763827.

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 72836774063 - 2¹⁰ = 72836773039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72836773996 and 72836774014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72836774069) 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, 10531223 + ... + 10538136.

It is an arithmetic number, because the mean of its divisors is an integer number (18214461720).

Almost surely, 2^72836774063 is an apocalyptic number.

72836774063 is a deficient number, since it is larger than the sum of its proper divisors (21072817).

72836774063 is a wasteful number, since it uses less digits than its factorization.

72836774063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21072816.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 72836774063 in words is "seventy-two billion, eight hundred thirty-six million, seven hundred seventy-four thousand, sixty-three".