27057770 has 16 divisors (see below), whose sum is σ = 49503528. Its totient is φ = 10645440.

The previous prime is 27057743. The next prime is 27057773. The reversal of 27057770 is 7775072.

It can be written as a sum of positive squares in 4 ways, for example, as 20912329 + 6145441 = 4573^2 + 2479^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27057770.

It is not an unprimeable number, because it can be changed into a prime (27057773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21569 + ... + 22788.

Almost surely, 2^27057770 is an apocalyptic number.

27057770 is a deficient number, since it is larger than the sum of its proper divisors (22445758).

27057770 is a wasteful number, since it uses less digits than its factorization.

27057770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44425.

The product of its (nonzero) digits is 24010, while the sum is 35.

The square root of 27057770 is about 5201.7083732174. The cubic root of 27057770 is about 300.2138105436.

The spelling of 27057770 in words is "twenty-seven million, fifty-seven thousand, seven hundred seventy".