72230866 has 8 divisors (see below), whose sum is σ = 108570240. Its totient is φ = 36040788.

The previous prime is 72230861. The next prime is 72230867. The reversal of 72230866 is 66803227.

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 (72230861) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36106 + ... + 38053.

It is an arithmetic number, because the mean of its divisors is an integer number (13571280).

Almost surely, 2^72230866 is an apocalyptic number.

72230866 is a deficient number, since it is larger than the sum of its proper divisors (36339374).

72230866 is a wasteful number, since it uses less digits than its factorization.

72230866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74648.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 72230866 is about 8498.8743960598. The cubic root of 72230866 is about 416.4609389371.

The spelling of 72230866 in words is "seventy-two million, two hundred thirty thousand, eight hundred sixty-six".