27143379 has 12 divisors (see below), whose sum is σ = 39349336. Its totient is φ = 18029952.

The previous prime is 27143377. The next prime is 27143387. The reversal of 27143379 is 97334172.

It is not a de Polignac number, because 27143379 - 2¹ = 27143377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27143377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2782 + ... + 7875.

Almost surely, 2^27143379 is an apocalyptic number.

27143379 is a deficient number, since it is larger than the sum of its proper divisors (12205957).

27143379 is a wasteful number, since it uses less digits than its factorization.

27143379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946 (or 10943 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 27143379 is about 5209.9308056825. The cubic root of 27143379 is about 300.5300961087.

The spelling of 27143379 in words is "twenty-seven million, one hundred forty-three thousand, three hundred seventy-nine".