72633284 has 24 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 34566560.

The previous prime is 72633277. The next prime is 72633317. The reversal of 72633284 is 48233627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3827 + ... + 12645.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2^72633284 is an apocalyptic number.

It is an amenable number.

72633284 is a deficient number, since it is larger than the sum of its proper divisors (60725116).

72633284 is a wasteful number, since it uses less digits than its factorization.

72633284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923 (or 8921 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 72633284 is about 8522.5162950856. The cubic root of 72633284 is about 417.2329131849.

The spelling of 72633284 in words is "seventy-two million, six hundred thirty-three thousand, two hundred eighty-four".