72854443 has 8 divisors (see below), whose sum is σ = 74967920. Its totient is φ = 70748640.

The previous prime is 72854413. The next prime is 72854447. The reversal of 72854443 is 34445827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72854443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (72854447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21313 + ... + 24493.

It is an arithmetic number, because the mean of its divisors is an integer number (9370990).

Almost surely, 2^72854443 is an apocalyptic number.

72854443 is a deficient number, since it is larger than the sum of its proper divisors (2113477).

72854443 is a wasteful number, since it uses less digits than its factorization.

72854443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3837.

The product of its digits is 107520, while the sum is 37.

The square root of 72854443 is about 8535.4814158312. The cubic root of 72854443 is about 417.6559576070.

The spelling of 72854443 in words is "seventy-two million, eight hundred fifty-four thousand, four hundred forty-three".