72797282759 has 4 divisors (see below), whose sum is σ = 73477631304. Its totient is φ = 72116934216.

The previous prime is 72797282749. The next prime is 72797282813. The reversal of 72797282759 is 95728279727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72797282759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72797282695 and 72797282704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72797282749) 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, 340174112 + ... + 340174325.

It is an arithmetic number, because the mean of its divisors is an integer number (18369407826).

Almost surely, 2^72797282759 is an apocalyptic number.

72797282759 is a deficient number, since it is larger than the sum of its proper divisors (680348545).

72797282759 is a wasteful number, since it uses less digits than its factorization.

72797282759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680348544.

The product of its digits is 62233920, while the sum is 65.

The spelling of 72797282759 in words is "seventy-two billion, seven hundred ninety-seven million, two hundred eighty-two thousand, seven hundred fifty-nine".