72066232872771 has 16 divisors (see below), whose sum is σ = 97562763306624. Its totient is φ = 47310699824064.

The previous prime is 72066232872763. The next prime is 72066232872797. The reversal of 72066232872771 is 17727823266027.

It is not a de Polignac number, because 72066232872771 - 2³ = 72066232872763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72066232872761) 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, 471295906 + ... + 471448791.

It is an arithmetic number, because the mean of its divisors is an integer number (6097672706664).

Almost surely, 2^{72066232872771} is an apocalyptic number.

72066232872771 is a deficient number, since it is larger than the sum of its proper divisors (25496530433853).

72066232872771 is a wasteful number, since it uses less digits than its factorization.

72066232872771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942745090.

The product of its (nonzero) digits is 33191424, while the sum is 60.

The spelling of 72066232872771 in words is "seventy-two trillion, sixty-six billion, two hundred thirty-two million, eight hundred seventy-two thousand, seven hundred seventy-one".