27279045 has 16 divisors (see below), whose sum is σ = 48496320. Its totient is φ = 14548752.

The previous prime is 27279023. The next prime is 27279089. The reversal of 27279045 is 54097272.

It is not a de Polignac number, because 27279045 - 2⁵ = 27279013 is a prime.

It is a super-2 number, since 2×27279045² = 1488292592224050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100899 + ... + 101168.

It is an arithmetic number, because the mean of its divisors is an integer number (3031020).

Almost surely, 2^27279045 is an apocalyptic number.

It is an amenable number.

27279045 is a deficient number, since it is larger than the sum of its proper divisors (21217275).

27279045 is a wasteful number, since it uses less digits than its factorization.

27279045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202081 (or 202075 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 27279045 is about 5222.9345199801. The cubic root of 27279045 is about 301.0299598954.

The spelling of 27279045 in words is "twenty-seven million, two hundred seventy-nine thousand, forty-five".