27074381 has 4 divisors (see below), whose sum is σ = 28251552. Its totient is φ = 25897212.

The previous prime is 27074357. The next prime is 27074389. The reversal of 27074381 is 18347072.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-27074381 is a prime.

It is a super-2 number, since 2×27074381² = 1466044213066322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27074389) 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, 588551 + ... + 588596.

It is an arithmetic number, because the mean of its divisors is an integer number (7062888).

Almost surely, 2^27074381 is an apocalyptic number.

It is an amenable number.

27074381 is a deficient number, since it is larger than the sum of its proper divisors (1177171).

27074381 is a wasteful number, since it uses less digits than its factorization.

27074381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177170.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 27074381 is about 5203.3048152112. The cubic root of 27074381 is about 300.2752325980.

The spelling of 27074381 in words is "twenty-seven million, seventy-four thousand, three hundred eighty-one".