27872834 has 24 divisors (see below), whose sum is σ = 46323900. Its totient is φ = 12568160.

The previous prime is 27872807. The next prime is 27872851. The reversal of 27872834 is 43827872.

It can be written as a sum of positive squares in 2 ways, for example, as 21855625 + 6017209 = 4675^2 + 2453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27872791 and 27872800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35672 + ... + 36444.

Almost surely, 2^27872834 is an apocalyptic number.

27872834 is a deficient number, since it is larger than the sum of its proper divisors (18451066).

27872834 is a wasteful number, since it uses less digits than its factorization.

27872834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 935 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The square root of 27872834 is about 5279.4728903556. The cubic root of 27872834 is about 303.1984960696.

The spelling of 27872834 in words is "twenty-seven million, eight hundred seventy-two thousand, eight hundred thirty-four".