72854167 has 2 divisors, whose sum is σ = 72854168. Its totient is φ = 72854166.

The previous prime is 72854161. The next prime is 72854213. The reversal of 72854167 is 76145827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72854167 - 2⁷ = 72854039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72854161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36427083 + 36427084.

It is an arithmetic number, because the mean of its divisors is an integer number (36427084).

Almost surely, 2^72854167 is an apocalyptic number.

72854167 is a deficient number, since it is larger than the sum of its proper divisors (1).

72854167 is an equidigital number, since it uses as much as digits as its factorization.

72854167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 72854167 is about 8535.4652480108. The cubic root of 72854167 is about 417.6554301938.

The spelling of 72854167 in words is "seventy-two million, eight hundred fifty-four thousand, one hundred sixty-seven".