27400798 has 4 divisors (see below), whose sum is σ = 41101200. Its totient is φ = 13700398.

The previous prime is 27400777. The next prime is 27400799. The reversal of 27400798 is 89700472.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27400799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850198 + ... + 6850201.

It is an arithmetic number, because the mean of its divisors is an integer number (10275300).

Almost surely, 2^27400798 is an apocalyptic number.

27400798 is a deficient number, since it is larger than the sum of its proper divisors (13700402).

27400798 is a wasteful number, since it uses less digits than its factorization.

27400798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700401.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 27400798 is about 5234.5771557978. The cubic root of 27400798 is about 301.4771518410.

The spelling of 27400798 in words is "twenty-seven million, four hundred thousand, seven hundred ninety-eight".