72338866 has 8 divisors (see below), whose sum is σ = 108630144. Its totient is φ = 36128820.

The previous prime is 72338821. The next prime is 72338867. The reversal of 72338866 is 66883327.

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

It is not an unprimeable number, because it can be changed into a prime (72338867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18030 + ... + 21673.

It is an arithmetic number, because the mean of its divisors is an integer number (13578768).

Almost surely, 2^72338866 is an apocalyptic number.

72338866 is a deficient number, since it is larger than the sum of its proper divisors (36291278).

72338866 is a wasteful number, since it uses less digits than its factorization.

72338866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40616.

The product of its digits is 290304, while the sum is 43.

The square root of 72338866 is about 8505.2258053505. The cubic root of 72338866 is about 416.6684004906.

The spelling of 72338866 in words is "seventy-two million, three hundred thirty-eight thousand, eight hundred sixty-six".