27916772 has 36 divisors (see below), whose sum is σ = 53848116. Its totient is φ = 12654720.

The previous prime is 27916741. The next prime is 27916799. The reversal of 27916772 is 27761972.

It can be written as a sum of positive squares in 6 ways, for example, as 3076516 + 24840256 = 1754^2 + 4984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40898 + ... + 41574.

It is an arithmetic number, because the mean of its divisors is an integer number (1495781).

Almost surely, 2^27916772 is an apocalyptic number.

It is an amenable number.

27916772 is a deficient number, since it is larger than the sum of its proper divisors (25931344).

27916772 is a wasteful number, since it uses less digits than its factorization.

27916772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 753 counting only the distinct ones).

The product of its digits is 74088, while the sum is 41.

The square root of 27916772 is about 5283.6324626151. The cubic root of 27916772 is about 303.3577304640.

The spelling of 27916772 in words is "twenty-seven million, nine hundred sixteen thousand, seven hundred seventy-two".