27313378 has 4 divisors (see below), whose sum is σ = 40970070. Its totient is φ = 13656688.

The previous prime is 27313367. The next prime is 27313379. The reversal of 27313378 is 87331372.

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

It can be written as a sum of positive squares in only one way, i.e., 24275329 + 3038049 = 4927^2 + 1743^2 .

It is not an unprimeable number, because it can be changed into a prime (27313379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6828343 + ... + 6828346.

Almost surely, 2^27313378 is an apocalyptic number.

27313378 is a deficient number, since it is larger than the sum of its proper divisors (13656692).

27313378 is a wasteful number, since it uses less digits than its factorization.

27313378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13656691.

The product of its digits is 21168, while the sum is 34.

The square root of 27313378 is about 5226.2202402884. The cubic root of 27313378 is about 301.1561975588.

The spelling of 27313378 in words is "twenty-seven million, three hundred thirteen thousand, three hundred seventy-eight".