72828806 has 4 divisors (see below), whose sum is σ = 109243212. Its totient is φ = 36414402.

The previous prime is 72828779. The next prime is 72828841. The reversal of 72828806 is 60882827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60882827 = 41 ⋅1484947.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18207200 + ... + 18207203.

It is an arithmetic number, because the mean of its divisors is an integer number (27310803).

Almost surely, 2^72828806 is an apocalyptic number.

72828806 is a deficient number, since it is larger than the sum of its proper divisors (36414406).

72828806 is a wasteful number, since it uses less digits than its factorization.

72828806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36414405.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 72828806 is about 8533.9794937649. The cubic root of 72828806 is about 417.6069617300.

The spelling of 72828806 in words is "seventy-two million, eight hundred twenty-eight thousand, eight hundred six".