72246067 has 2 divisors, whose sum is σ = 72246068. Its totient is φ = 72246066.

The previous prime is 72246061. The next prime is 72246071. The reversal of 72246067 is 76064227.

It is a strong prime.

It is an emirp because it is prime and its reverse (76064227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72246067 is a prime.

It is not a weakly prime, because it can be changed into another prime (72246061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36123033 + 36123034.

It is an arithmetic number, because the mean of its divisors is an integer number (36123034).

Almost surely, 2^72246067 is an apocalyptic number.

72246067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72246067 is an equidigital number, since it uses as much as digits as its factorization.

72246067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 72246067 is about 8499.7686439103. The cubic root of 72246067 is about 416.4901516502.

The spelling of 72246067 in words is "seventy-two million, two hundred forty-six thousand, sixty-seven".