72337843 has 2 divisors, whose sum is σ = 72337844. Its totient is φ = 72337842.

The previous prime is 72337831. The next prime is 72337877. The reversal of 72337843 is 34873327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72337843 - 2¹³ = 72329651 is a prime.

It is not a weakly prime, because it can be changed into another prime (72337543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36168921 + 36168922.

It is an arithmetic number, because the mean of its divisors is an integer number (36168922).

Almost surely, 2^72337843 is an apocalyptic number.

72337843 is a deficient number, since it is larger than the sum of its proper divisors (1).

72337843 is an equidigital number, since it uses as much as digits as its factorization.

72337843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 37.

The square root of 72337843 is about 8505.1656656411. The cubic root of 72337843 is about 416.6664363377. Note that the first 3 decimals are identical.

The spelling of 72337843 in words is "seventy-two million, three hundred thirty-seven thousand, eight hundred forty-three".