27401057 has 4 divisors (see below), whose sum is σ = 27810096. Its totient is φ = 26992020.

The previous prime is 27401041. The next prime is 27401089. The reversal of 27401057 is 75010472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27401057 - 2⁴ = 27401041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27401557) 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, 204419 + ... + 204552.

It is an arithmetic number, because the mean of its divisors is an integer number (6952524).

Almost surely, 2^27401057 is an apocalyptic number.

It is an amenable number.

27401057 is a deficient number, since it is larger than the sum of its proper divisors (409039).

27401057 is an equidigital number, since it uses as much as digits as its factorization.

27401057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409038.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 27401057 is about 5234.6018950824. The cubic root of 27401057 is about 301.4781017201.

The spelling of 27401057 in words is "twenty-seven million, four hundred one thousand, fifty-seven".