27768072 has 32 divisors (see below), whose sum is σ = 73504800. Its totient is φ = 8711424.

The previous prime is 27768043. The next prime is 27768113. The reversal of 27768072 is 27086772.

It is a self number, because there is not a number n which added to its sum of digits gives 27768072.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33622 + ... + 34437.

It is an arithmetic number, because the mean of its divisors is an integer number (2297025).

Almost surely, 2^27768072 is an apocalyptic number.

It is an amenable number.

27768072 is an abundant number, since it is smaller than the sum of its proper divisors (45736728).

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

27768072 is a wasteful number, since it uses less digits than its factorization.

27768072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68085 (or 68081 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 27768072 is about 5269.5419155748. The cubic root of 27768072 is about 302.8181548923.

The spelling of 27768072 in words is "twenty-seven million, seven hundred sixty-eight thousand, seventy-two".