72855067 has 2 divisors, whose sum is σ = 72855068. Its totient is φ = 72855066.

The previous prime is 72855059. The next prime is 72855089. The reversal of 72855067 is 76055827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72855067 - 2³ = 72855059 is a prime.

It is a super-4 number, since 4×72855067⁴ (a number of 33 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (72855767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36427533 + 36427534.

It is an arithmetic number, because the mean of its divisors is an integer number (36427534).

Almost surely, 2^72855067 is an apocalyptic number.

72855067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72855067 is an equidigital number, since it uses as much as digits as its factorization.

72855067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 72855067 is about 8535.5179690514. The cubic root of 72855067 is about 417.6571500146.

The spelling of 72855067 in words is "seventy-two million, eight hundred fifty-five thousand, sixty-seven".