72854433 has 12 divisors (see below), whose sum is σ = 108629248. Its totient is φ = 47002680.

The previous prime is 72854413. The next prime is 72854447. The reversal of 72854433 is 33445827.

It is a happy number.

It is not a de Polignac number, because 72854433 - 2¹⁰ = 72853409 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (72854413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130285 + ... + 130842.

Almost surely, 2^72854433 is an apocalyptic number.

It is an amenable number.

72854433 is a deficient number, since it is larger than the sum of its proper divisors (35774815).

72854433 is a wasteful number, since it uses less digits than its factorization.

72854433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261164 (or 261161 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 72854433 is about 8535.4808300412. The cubic root of 72854433 is about 417.6559384979.

The spelling of 72854433 in words is "seventy-two million, eight hundred fifty-four thousand, four hundred thirty-three".