72947666674927 has 8 divisors (see below), whose sum is σ = 79606076164560. Its totient is φ = 66293724423360.

The previous prime is 72947666674921. The next prime is 72947666674943.

72947666674927 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72947666674927 - 2²³ = 72947658286319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72947666674921) 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 7 ways as a sum of consecutive naturals, for example, 1116775368 + ... + 1116840685.

It is an arithmetic number, because the mean of its divisors is an integer number (9950759520570).

Almost surely, 2^{72947666674927} is an apocalyptic number.

72947666674927 is a deficient number, since it is larger than the sum of its proper divisors (6658409489633).

72947666674927 is a wasteful number, since it uses less digits than its factorization.

72947666674927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233619033.

The product of its digits is 16131032064, while the sum is 82.

The spelling of 72947666674927 in words is "seventy-two trillion, nine hundred forty-seven billion, six hundred sixty-six million, six hundred seventy-four thousand, nine hundred twenty-seven".