27451442 has 4 divisors (see below), whose sum is σ = 41177166. Its totient is φ = 13725720.

The previous prime is 27451439. The next prime is 27451451. The reversal of 27451442 is 24415472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15124321 + 12327121 = 3889^2 + 3511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862859 + ... + 6862862.

Almost surely, 2^27451442 is an apocalyptic number.

27451442 is a deficient number, since it is larger than the sum of its proper divisors (13725724).

27451442 is a wasteful number, since it uses less digits than its factorization.

27451442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13725723.

The product of its digits is 8960, while the sum is 29.

The square root of 27451442 is about 5239.4123716310. The cubic root of 27451442 is about 301.6627743190.

The spelling of 27451442 in words is "twenty-seven million, four hundred fifty-one thousand, four hundred forty-two".