72835663 has 2 divisors, whose sum is σ = 72835664. Its totient is φ = 72835662.

The previous prime is 72835661. The next prime is 72835669. The reversal of 72835663 is 36653827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72835663 - 2¹ = 72835661 is a prime.

Together with 72835661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72835661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36417831 + 36417832.

It is an arithmetic number, because the mean of its divisors is an integer number (36417832).

Almost surely, 2^72835663 is an apocalyptic number.

72835663 is a deficient number, since it is larger than the sum of its proper divisors (1).

72835663 is an equidigital number, since it uses as much as digits as its factorization.

72835663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 72835663 is about 8534.3812312317. The cubic root of 72835663 is about 417.6200675381.

The spelling of 72835663 in words is "seventy-two million, eight hundred thirty-five thousand, six hundred sixty-three".