72426341727571 has 16 divisors (see below), whose sum is σ = 78190164259200. Its totient is φ = 66690228768768.

The previous prime is 72426341727569. The next prime is 72426341727589. The reversal of 72426341727571 is 17572714362427.

It is a cyclic number.

It is not a de Polignac number, because 72426341727571 - 2¹ = 72426341727569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72426341737571) 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, 4512955 + ... + 12853771.

It is an arithmetic number, because the mean of its divisors is an integer number (4886885266200).

Almost surely, 2^{72426341727571} is an apocalyptic number.

72426341727571 is a deficient number, since it is larger than the sum of its proper divisors (5763822531629).

72426341727571 is a wasteful number, since it uses less digits than its factorization.

72426341727571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342478.

The product of its digits is 27659520, while the sum is 58.

The spelling of 72426341727571 in words is "seventy-two trillion, four hundred twenty-six billion, three hundred forty-one million, seven hundred twenty-seven thousand, five hundred seventy-one".