72301216893 has 4 divisors (see below), whose sum is σ = 96401622528. Its totient is φ = 48200811260.

The previous prime is 72301216877. The next prime is 72301216901. The reversal of 72301216893 is 39861210327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72301216893 - 2⁴ = 72301216877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72301216843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12050202813 + ... + 12050202818.

It is an arithmetic number, because the mean of its divisors is an integer number (24100405632).

Almost surely, 2^72301216893 is an apocalyptic number.

It is an amenable number.

72301216893 is a deficient number, since it is larger than the sum of its proper divisors (24100405635).

72301216893 is a wasteful number, since it uses less digits than its factorization.

72301216893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100405634.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 72301216893 in words is "seventy-two billion, three hundred one million, two hundred sixteen thousand, eight hundred ninety-three".