72636863627 has 2 divisors, whose sum is σ = 72636863628. Its totient is φ = 72636863626.

The previous prime is 72636863609. The next prime is 72636863647.

72636863627 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 72636863627 - 2³⁴ = 55456994443 is a prime.

It is a super-2 number, since 2×72636863627² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72636863647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36318431813 + 36318431814.

It is an arithmetic number, because the mean of its divisors is an integer number (36318431814).

Almost surely, 2^72636863627 is an apocalyptic number.

72636863627 is a deficient number, since it is larger than the sum of its proper divisors (1).

72636863627 is an equidigital number, since it uses as much as digits as its factorization.

72636863627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 56.

The spelling of 72636863627 in words is "seventy-two billion, six hundred thirty-six million, eight hundred sixty-three thousand, six hundred twenty-seven".