27042628 has 12 divisors (see below), whose sum is σ = 47379052. Its totient is φ = 13505760.

The previous prime is 27042619. The next prime is 27042629. The reversal of 27042628 is 82624072.

It can be written as a sum of positive squares in 2 ways, for example, as 17994564 + 9048064 = 4242^2 + 3008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27042628.

It is not an unprimeable number, because it can be changed into a prime (27042629) 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 in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 7378.

Almost surely, 2^27042628 is an apocalyptic number.

It is an amenable number.

27042628 is a deficient number, since it is larger than the sum of its proper divisors (20336424).

27042628 is a wasteful number, since it uses less digits than its factorization.

27042628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 27042628 is about 5200.2526861682. The cubic root of 27042628 is about 300.1577984657.

The spelling of 27042628 in words is "twenty-seven million, forty-two thousand, six hundred twenty-eight".