27198701 has 4 divisors (see below), whose sum is σ = 27412992. Its totient is φ = 26984412.

The previous prime is 27198697. The next prime is 27198713. The reversal of 27198701 is 10789172.

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 27198701 - 2² = 27198697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27198791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106955 + ... + 107208.

It is an arithmetic number, because the mean of its divisors is an integer number (6853248).

Almost surely, 2^27198701 is an apocalyptic number.

It is an amenable number.

27198701 is a deficient number, since it is larger than the sum of its proper divisors (214291).

27198701 is a wasteful number, since it uses less digits than its factorization.

27198701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214290.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 27198701 is about 5215.2373867351. The cubic root of 27198701 is about 300.7341316665.

The spelling of 27198701 in words is "twenty-seven million, one hundred ninety-eight thousand, seven hundred one".