72210230666727 has 4 divisors (see below), whose sum is σ = 96280307555640. Its totient is φ = 48140153777816.

The previous prime is 72210230666677. The next prime is 72210230666741. The reversal of 72210230666727 is 72766603201227.

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

It is a cyclic number.

It is not a de Polignac number, because 72210230666727 - 2¹¹ = 72210230664679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72210230666727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72210230666797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12035038444452 + ... + 12035038444457.

It is an arithmetic number, because the mean of its divisors is an integer number (24070076888910).

Almost surely, 2^{72210230666727} is an apocalyptic number.

72210230666727 is a deficient number, since it is larger than the sum of its proper divisors (24070076888913).

72210230666727 is a wasteful number, since it uses less digits than its factorization.

72210230666727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24070076888912.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 72210230666727 in words is "seventy-two trillion, two hundred ten billion, two hundred thirty million, six hundred sixty-six thousand, seven hundred twenty-seven".