72836010663623 has 2 divisors, whose sum is σ = 72836010663624. Its totient is φ = 72836010663622.

The previous prime is 72836010663599. The next prime is 72836010663727. The reversal of 72836010663623 is 32636601063827.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72836010663623 is a prime.

It is a super-2 number, since 2×72836010663623² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72836010663323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36418005331811 + 36418005331812.

It is an arithmetic number, because the mean of its divisors is an integer number (36418005331812).

Almost surely, 2^{72836010663623} is an apocalyptic number.

72836010663623 is a deficient number, since it is larger than the sum of its proper divisors (1).

72836010663623 is an equidigital number, since it uses as much as digits as its factorization.

72836010663623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 53.

The spelling of 72836010663623 in words is "seventy-two trillion, eight hundred thirty-six billion, ten million, six hundred sixty-three thousand, six hundred twenty-three".