72576639043 has 2 divisors, whose sum is σ = 72576639044. Its totient is φ = 72576639042.

The previous prime is 72576639029. The next prime is 72576639049. The reversal of 72576639043 is 34093667527.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72576639043 is a prime.

It is not a weakly prime, because it can be changed into another prime (72576639049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36288319521 + 36288319522.

It is an arithmetic number, because the mean of its divisors is an integer number (36288319522).

Almost surely, 2^72576639043 is an apocalyptic number.

72576639043 is a deficient number, since it is larger than the sum of its proper divisors (1).

72576639043 is an equidigital number, since it uses as much as digits as its factorization.

72576639043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 72576639043 in words is "seventy-two billion, five hundred seventy-six million, six hundred thirty-nine thousand, forty-three".