72227586 has 8 divisors (see below), whose sum is σ = 144455184. Its totient is φ = 24075860.

The previous prime is 72227581. The next prime is 72227591. The reversal of 72227586 is 68572227.

It is an interprime number because it is at equal distance from previous prime (72227581) and next prime (72227591).

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

72227586 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (72227581) 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, 6018960 + ... + 6018971.

It is an arithmetic number, because the mean of its divisors is an integer number (18056898).

Almost surely, 2^72227586 is an apocalyptic number.

72227586 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72227586 is a wasteful number, since it uses less digits than its factorization.

72227586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037936.

The product of its digits is 94080, while the sum is 39.

The square root of 72227586 is about 8498.6814271392. The cubic root of 72227586 is about 416.4546350183.

The spelling of 72227586 in words is "seventy-two million, two hundred twenty-seven thousand, five hundred eighty-six".