72653456732767 has 4 divisors (see below), whose sum is σ = 72912009959856. Its totient is φ = 72394903505680.

The previous prime is 72653456732737. The next prime is 72653456732771. The reversal of 72653456732767 is 76723765435627.

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 72653456732767 - 2⁷ = 72653456732639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72653456732696 and 72653456732705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72653456732737) 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, 129276613123 + ... + 129276613684.

It is an arithmetic number, because the mean of its divisors is an integer number (18228002489964).

Almost surely, 2^{72653456732767} is an apocalyptic number.

72653456732767 is a deficient number, since it is larger than the sum of its proper divisors (258553227089).

72653456732767 is a wasteful number, since it uses less digits than its factorization.

72653456732767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258553227088.

The product of its digits is 1867017600, while the sum is 70.

The spelling of 72653456732767 in words is "seventy-two trillion, six hundred fifty-three billion, four hundred fifty-six million, seven hundred thirty-two thousand, seven hundred sixty-seven".