72063611 has 2 divisors, whose sum is σ = 72063612. Its totient is φ = 72063610.

The previous prime is 72063587. The next prime is 72063613. The reversal of 72063611 is 11636027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72063611 - 2⁶ = 72063547 is a prime.

Together with 72063613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72063613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36031805 + 36031806.

It is an arithmetic number, because the mean of its divisors is an integer number (36031806).

Almost surely, 2^72063611 is an apocalyptic number.

72063611 is a deficient number, since it is larger than the sum of its proper divisors (1).

72063611 is an equidigital number, since it uses as much as digits as its factorization.

72063611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 72063611 is about 8489.0288608297. The cubic root of 72063611 is about 416.1392435592.

Adding to 72063611 its reverse (11636027), we get a palindrome (83699638).

The spelling of 72063611 in words is "seventy-two million, sixty-three thousand, six hundred eleven".