27964772 has 12 divisors (see below), whose sum is σ = 53387376. Its totient is φ = 12711240.

The previous prime is 27964753. The next prime is 27964817. The reversal of 27964772 is 27746972.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 635563 = 27964772 / (2 + 7 + 9 + 6 + 4 + 7 + 7 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317738 + ... + 317825.

It is an arithmetic number, because the mean of its divisors is an integer number (4448948).

Almost surely, 2^27964772 is an apocalyptic number.

27964772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27964772 is a deficient number, since it is larger than the sum of its proper divisors (25422604).

27964772 is a wasteful number, since it uses less digits than its factorization.

27964772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635578 (or 635576 counting only the distinct ones).

The product of its digits is 296352, while the sum is 44.

The square root of 27964772 is about 5288.1728413508. The cubic root of 27964772 is about 303.5314949851.

The spelling of 27964772 in words is "twenty-seven million, nine hundred sixty-four thousand, seven hundred seventy-two".