72665366356627 has 16 divisors (see below), whose sum is σ = 79365621404160. Its totient is φ = 65980843437600.

The previous prime is 72665366356619. The next prime is 72665366356769.

72665366356627 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72665366356627 - 2³ = 72665366356619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72665366356127) 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, 110494393 + ... + 111150085.

It is an arithmetic number, because the mean of its divisors is an integer number (4960351337760).

Almost surely, 2^{72665366356627} is an apocalyptic number.

72665366356627 is a deficient number, since it is larger than the sum of its proper divisors (6700255047533).

72665366356627 is a wasteful number, since it uses less digits than its factorization.

72665366356627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667674.

The product of its digits is 2057529600, while the sum is 70.

The spelling of 72665366356627 in words is "seventy-two trillion, six hundred sixty-five billion, three hundred sixty-six million, three hundred fifty-six thousand, six hundred twenty-seven".