27226572730 has 64 divisors (see below), whose sum is σ = 57429504000. Its totient is φ = 9098961984.

The previous prime is 27226572721. The next prime is 27226572731. The reversal of 27226572730 is 3727562272.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (27226572731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492927 + ... + 1511053.

It is an arithmetic number, because the mean of its divisors is an integer number (897336000).

Almost surely, 2^27226572730 is an apocalyptic number.

27226572730 is an abundant number, since it is smaller than the sum of its proper divisors (30202931270).

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

27226572730 is a wasteful number, since it uses less digits than its factorization.

27226572730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18683.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 27226572730 in words is "twenty-seven billion, two hundred twenty-six million, five hundred seventy-two thousand, seven hundred thirty".