72875863 has 2 divisors, whose sum is σ = 72875864. Its totient is φ = 72875862.

The previous prime is 72875861. The next prime is 72875867. The reversal of 72875863 is 36857827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72875863 - 2¹ = 72875861 is a prime.

Together with 72875861, 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 (72875861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36437931 + 36437932.

It is an arithmetic number, because the mean of its divisors is an integer number (36437932).

Almost surely, 2^72875863 is an apocalyptic number.

72875863 is a deficient number, since it is larger than the sum of its proper divisors (1).

72875863 is an equidigital number, since it uses as much as digits as its factorization.

72875863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 72875863 is about 8536.7360858820. The cubic root of 72875863 is about 417.6968853969.

The spelling of 72875863 in words is "seventy-two million, eight hundred seventy-five thousand, eight hundred sixty-three".