27472772 has 6 divisors (see below), whose sum is σ = 48077358. Its totient is φ = 13736384.

The previous prime is 27472771. The next prime is 27472801. The reversal of 27472772 is 27727472.

It can be written as a sum of positive squares in only one way, i.e., 26460736 + 1012036 = 5144^2 + 1006^2 .

It is not an unprimeable number, because it can be changed into a prime (27472771) 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, 3434093 + ... + 3434100.

It is an arithmetic number, because the mean of its divisors is an integer number (8012893).

Almost surely, 2^27472772 is an apocalyptic number.

It is an amenable number.

27472772 is a deficient number, since it is larger than the sum of its proper divisors (20604586).

27472772 is a wasteful number, since it uses less digits than its factorization.

27472772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868197 (or 6868195 counting only the distinct ones).

The product of its digits is 76832, while the sum is 38.

The square root of 27472772 is about 5241.4475099919. The cubic root of 27472772 is about 301.7408855909.

The spelling of 27472772 in words is "twenty-seven million, four hundred seventy-two thousand, seven hundred seventy-two".