27813434 has 16 divisors (see below), whose sum is σ = 45748800. Its totient is φ = 12576960.

The previous prime is 27813433. The next prime is 27813437. The reversal of 27813434 is 43431872.

It is a super-2 number, since 2×27813434² = 1547174221744712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27813434.

It is not an unprimeable number, because it can be changed into a prime (27813431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 7554.

It is an arithmetic number, because the mean of its divisors is an integer number (2859300).

Almost surely, 2^27813434 is an apocalyptic number.

27813434 is a deficient number, since it is larger than the sum of its proper divisors (17935366).

27813434 is a wasteful number, since it uses less digits than its factorization.

27813434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565.

The product of its digits is 16128, while the sum is 32.

The square root of 27813434 is about 5273.8443283813. The cubic root of 27813434 is about 302.9829600441.

The spelling of 27813434 in words is "twenty-seven million, eight hundred thirteen thousand, four hundred thirty-four".