72048066 has 16 divisors (see below), whose sum is σ = 144300000. Its totient is φ = 23982048.

The previous prime is 72048049. The next prime is 72048073. The reversal of 72048066 is 66084027.

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 in 7 ways as a sum of consecutive naturals, for example, 3691 + ... + 12558.

It is an arithmetic number, because the mean of its divisors is an integer number (9018750).

Almost surely, 2^72048066 is an apocalyptic number.

72048066 is an abundant number, since it is smaller than the sum of its proper divisors (72251934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72048066 is a wasteful number, since it uses less digits than its factorization.

72048066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 72048066 is about 8488.1132179066. The cubic root of 72048066 is about 416.1093193036.

The spelling of 72048066 in words is "seventy-two million, forty-eight thousand, sixty-six".