27798734 has 16 divisors (see below), whose sum is σ = 42258048. Its totient is φ = 13714272.

The previous prime is 27798731. The next prime is 27798739. The reversal of 27798734 is 43789772.

It is a super-2 number, since 2×27798734² = 1545539224005512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27798731) 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, 69824 + ... + 70220.

It is an arithmetic number, because the mean of its divisors is an integer number (2641128).

Almost surely, 2^27798734 is an apocalyptic number.

27798734 is a deficient number, since it is larger than the sum of its proper divisors (14459314).

27798734 is a wasteful number, since it uses less digits than its factorization.

27798734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 592704, while the sum is 47.

The square root of 27798734 is about 5272.4504739258. The cubic root of 27798734 is about 302.9295729603.

The spelling of 27798734 in words is "twenty-seven million, seven hundred ninety-eight thousand, seven hundred thirty-four".