72730776248023 has 8 divisors (see below), whose sum is σ = 74916325791216. Its totient is φ = 70564828046400.

The previous prime is 72730776247999. The next prime is 72730776248071. The reversal of 72730776248023 is 32084267703727.

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-72730776248023 is a prime.

It is a super-2 number, since 2×72730776248023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72730776278023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4900327861 + ... + 4900342702.

It is an arithmetic number, because the mean of its divisors is an integer number (9364540723902).

Almost surely, 2^{72730776248023} is an apocalyptic number.

72730776248023 is a deficient number, since it is larger than the sum of its proper divisors (2185549543193).

72730776248023 is a wasteful number, since it uses less digits than its factorization.

72730776248023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9800670785.

The product of its (nonzero) digits is 33191424, while the sum is 58.

The spelling of 72730776248023 in words is "seventy-two trillion, seven hundred thirty billion, seven hundred seventy-six million, two hundred forty-eight thousand, twenty-three".