72067847 has 2 divisors, whose sum is σ = 72067848. Its totient is φ = 72067846.

The previous prime is 72067841. The next prime is 72067861. The reversal of 72067847 is 74876027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72067847 - 2¹⁰ = 72066823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72067841) 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, 36033923 + 36033924.

It is an arithmetic number, because the mean of its divisors is an integer number (36033924).

Almost surely, 2^72067847 is an apocalyptic number.

72067847 is a deficient number, since it is larger than the sum of its proper divisors (1).

72067847 is an equidigital number, since it uses as much as digits as its factorization.

72067847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 72067847 is about 8489.2783556672. The cubic root of 72067847 is about 416.1473971486.

The spelling of 72067847 in words is "seventy-two million, sixty-seven thousand, eight hundred forty-seven".