27876742 has 4 divisors (see below), whose sum is σ = 41815116. Its totient is φ = 13938370.

The previous prime is 27876731. The next prime is 27876773. The reversal of 27876742 is 24767872.

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

It is a super-2 number, since 2×27876742² = 1554225489069128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969184 + ... + 6969187.

It is an arithmetic number, because the mean of its divisors is an integer number (10453779).

Almost surely, 2^27876742 is an apocalyptic number.

27876742 is a deficient number, since it is larger than the sum of its proper divisors (13938374).

27876742 is a wasteful number, since it uses less digits than its factorization.

27876742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938373.

The product of its digits is 263424, while the sum is 43.

The square root of 27876742 is about 5279.8429900898. The cubic root of 27876742 is about 303.2126657129.

The spelling of 27876742 in words is "twenty-seven million, eight hundred seventy-six thousand, seven hundred forty-two".