72314731452351 has 4 divisors (see below), whose sum is σ = 96419641936472. Its totient is φ = 48209820968232.

The previous prime is 72314731452349. The next prime is 72314731452389. The reversal of 72314731452351 is 15325413741327.

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

It is not a de Polignac number, because 72314731452351 - 2¹ = 72314731452349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72314731452351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72314731452391) 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, 12052455242056 + ... + 12052455242061.

It is an arithmetic number, because the mean of its divisors is an integer number (24104910484118).

Almost surely, 2^{72314731452351} is an apocalyptic number.

72314731452351 is a deficient number, since it is larger than the sum of its proper divisors (24104910484121).

72314731452351 is a wasteful number, since it uses less digits than its factorization.

72314731452351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24104910484120.

The product of its digits is 2116800, while the sum is 48.

The spelling of 72314731452351 in words is "seventy-two trillion, three hundred fourteen billion, seven hundred thirty-one million, four hundred fifty-two thousand, three hundred fifty-one".