72636266 has 8 divisors (see below), whose sum is σ = 110489184. Its totient is φ = 35806540.

The previous prime is 72636247. The next prime is 72636269. The reversal of 72636266 is 66263627.

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 (72636269) 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, 255620 + ... + 255903.

It is an arithmetic number, because the mean of its divisors is an integer number (13811148).

Almost surely, 2^72636266 is an apocalyptic number.

72636266 is a deficient number, since it is larger than the sum of its proper divisors (37852918).

72636266 is a wasteful number, since it uses less digits than its factorization.

72636266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511596.

The product of its digits is 108864, while the sum is 38.

The square root of 72636266 is about 8522.6912416208. The cubic root of 72636266 is about 417.2386230168.

The spelling of 72636266 in words is "seventy-two million, six hundred thirty-six thousand, two hundred sixty-six".