72854228 has 12 divisors (see below), whose sum is σ = 127589280. Its totient is φ = 36400152.

The previous prime is 72854213. The next prime is 72854233. The reversal of 72854228 is 82245827.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72854191 and 72854200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (10632440).

Almost surely, 2^72854228 is an apocalyptic number.

It is an amenable number.

72854228 is a deficient number, since it is larger than the sum of its proper divisors (54735052).

72854228 is a wasteful number, since it uses less digits than its factorization.

72854228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486 (or 13484 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 72854228 is about 8535.4688213361. The cubic root of 72854228 is about 417.6555467599.

The spelling of 72854228 in words is "seventy-two million, eight hundred fifty-four thousand, two hundred twenty-eight".