72806063 has 12 divisors (see below), whose sum is σ = 83509104. Its totient is φ = 63307200.

The previous prime is 72806057. The next prime is 72806089. The reversal of 72806063 is 36060827.

It is not a de Polignac number, because 72806063 - 2⁸ = 72805807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72806003) 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 in 11 ways as a sum of consecutive naturals, for example, 10298 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (6959092).

Almost surely, 2^72806063 is an apocalyptic number.

72806063 is a deficient number, since it is larger than the sum of its proper divisors (10703041).

72806063 is a wasteful number, since it uses less digits than its factorization.

72806063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26206 (or 26195 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 72806063 is about 8532.6468929635. The cubic root of 72806063 is about 417.5634870645.

The spelling of 72806063 in words is "seventy-two million, eight hundred six thousand, sixty-three".