27098137 has 4 divisors (see below), whose sum is σ = 29561616. Its totient is φ = 24634660.

The previous prime is 27098107. The next prime is 27098143. The reversal of 27098137 is 73189072.

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 27098137 - 2¹⁹ = 26573849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27098096 and 27098105.

It is not an unprimeable number, because it can be changed into a prime (27098107) 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, 1231723 + ... + 1231744.

It is an arithmetic number, because the mean of its divisors is an integer number (7390404).

Almost surely, 2^27098137 is an apocalyptic number.

It is an amenable number.

27098137 is a deficient number, since it is larger than the sum of its proper divisors (2463479).

27098137 is a wasteful number, since it uses less digits than its factorization.

27098137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463478.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 27098137 is about 5205.5870946513. The cubic root of 27098137 is about 300.3630308884.

The spelling of 27098137 in words is "twenty-seven million, ninety-eight thousand, one hundred thirty-seven".