27134731 has 4 divisors (see below), whose sum is σ = 29222032. Its totient is φ = 25047432.

The previous prime is 27134707. The next prime is 27134741. The reversal of 27134731 is 13743172.

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

It is a cyclic number.

It is not a de Polignac number, because 27134731 - 2¹⁹ = 26610443 is a prime.

It is a super-2 number, since 2×27134731² = 1472587252884722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27134731.

It is not an unprimeable number, because it can be changed into a prime (27134741) 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, 1043631 + ... + 1043656.

It is an arithmetic number, because the mean of its divisors is an integer number (7305508).

Almost surely, 2^27134731 is an apocalyptic number.

27134731 is a deficient number, since it is larger than the sum of its proper divisors (2087301).

27134731 is a wasteful number, since it uses less digits than its factorization.

27134731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087300.

The product of its digits is 3528, while the sum is 28.

The square root of 27134731 is about 5209.1007861242. The cubic root of 27134731 is about 300.4981759814.

The spelling of 27134731 in words is "twenty-seven million, one hundred thirty-four thousand, seven hundred thirty-one".