72036886 has 4 divisors (see below), whose sum is σ = 108055332. Its totient is φ = 36018442.

The previous prime is 72036883. The next prime is 72036893. The reversal of 72036886 is 68863027.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72036883) by changing a digit.

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 as a sum of consecutive naturals, namely, 18009220 + ... + 18009223.

It is an arithmetic number, because the mean of its divisors is an integer number (27013833).

Almost surely, 2^72036886 is an apocalyptic number.

72036886 is a deficient number, since it is larger than the sum of its proper divisors (36018446).

72036886 is a wasteful number, since it uses less digits than its factorization.

72036886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36018445.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 72036886 is about 8487.4546243264. The cubic root of 72036886 is about 416.0877950486.

The spelling of 72036886 in words is "seventy-two million, thirty-six thousand, eight hundred eighty-six".