72854347 has 2 divisors, whose sum is σ = 72854348. Its totient is φ = 72854346.

The previous prime is 72854339. The next prime is 72854357. The reversal of 72854347 is 74345827.

It is a weak prime.

It is an emirp because it is prime and its reverse (74345827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72854347 - 2³ = 72854339 is a prime.

It is not a weakly prime, because it can be changed into another prime (72854357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36427173 + 36427174.

It is an arithmetic number, because the mean of its divisors is an integer number (36427174).

Almost surely, 2^72854347 is an apocalyptic number.

72854347 is a deficient number, since it is larger than the sum of its proper divisors (1).

72854347 is an equidigital number, since it uses as much as digits as its factorization.

72854347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 72854347 is about 8535.4757922450. The cubic root of 72854347 is about 417.6557741591.

The spelling of 72854347 in words is "seventy-two million, eight hundred fifty-four thousand, three hundred forty-seven".