72854243 has 16 divisors (see below), whose sum is σ = 91860480. Its totient is φ = 56126400.

The previous prime is 72854239. The next prime is 72854281. The reversal of 72854243 is 34245827.

It is not a de Polignac number, because 72854243 - 2² = 72854239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72854213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538 + ... + 12168.

It is an arithmetic number, because the mean of its divisors is an integer number (5741280).

Almost surely, 2^72854243 is an apocalyptic number.

72854243 is a deficient number, since it is larger than the sum of its proper divisors (19006237).

72854243 is a wasteful number, since it uses less digits than its factorization.

72854243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738.

The product of its digits is 53760, while the sum is 35.

The square root of 72854243 is about 8535.4697000224. The cubic root of 72854243 is about 417.6555754237.

The spelling of 72854243 in words is "seventy-two million, eight hundred fifty-four thousand, two hundred forty-three".