27403138 has 8 divisors (see below), whose sum is σ = 46976832. Its totient is φ = 11744196.

The previous prime is 27403087. The next prime is 27403141. The reversal of 27403138 is 83130472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978670 + ... + 978697.

It is an arithmetic number, because the mean of its divisors is an integer number (5872104).

Almost surely, 2^27403138 is an apocalyptic number.

27403138 is a deficient number, since it is larger than the sum of its proper divisors (19573694).

27403138 is a wasteful number, since it uses less digits than its factorization.

27403138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957376.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 27403138 is about 5234.8006647818. The cubic root of 27403138 is about 301.4857335431.

The spelling of 27403138 in words is "twenty-seven million, four hundred three thousand, one hundred thirty-eight".