72516701863 has 8 divisors (see below), whose sum is σ = 76049856000. Its totient is φ = 69015235608.

The previous prime is 72516701839. The next prime is 72516701869. The reversal of 72516701863 is 36810761527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72516701863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72516701869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7917283 + ... + 7926436.

It is an arithmetic number, because the mean of its divisors is an integer number (9506232000).

Almost surely, 2^72516701863 is an apocalyptic number.

72516701863 is a deficient number, since it is larger than the sum of its proper divisors (3533154137).

72516701863 is a wasteful number, since it uses less digits than its factorization.

72516701863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843941.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 72516701863 in words is "seventy-two billion, five hundred sixteen million, seven hundred one thousand, eight hundred sixty-three".