72872315281347 has 16 divisors (see below), whose sum is σ = 99799565901312. Its totient is φ = 47263579077600.

The previous prime is 72872315281313. The next prime is 72872315281373. The reversal of 72872315281347 is 74318251327827.

It is not a de Polignac number, because 72872315281347 - 2¹⁶ = 72872315215811 is a prime.

It is a super-2 number, since 2×72872315281347² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72872315281307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33308353 + ... + 35428674.

It is an arithmetic number, because the mean of its divisors is an integer number (6237472868832).

Almost surely, 2^{72872315281347} is an apocalyptic number.

72872315281347 is a deficient number, since it is larger than the sum of its proper divisors (26927250619965).

72872315281347 is a wasteful number, since it uses less digits than its factorization.

72872315281347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68746618.

The product of its digits is 31610880, while the sum is 60.

The spelling of 72872315281347 in words is "seventy-two trillion, eight hundred seventy-two billion, three hundred fifteen million, two hundred eighty-one thousand, three hundred forty-seven".