27670066 has 16 divisors (see below), whose sum is σ = 42624000. Its totient is φ = 13467168.

The previous prime is 27670057. The next prime is 27670103. The reversal of 27670066 is 66007672.

27670066 = 124² + 125² + ... + 439².

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10335 + ... + 12733.

It is an arithmetic number, because the mean of its divisors is an integer number (2664000).

Almost surely, 2^27670066 is an apocalyptic number.

27670066 is a deficient number, since it is larger than the sum of its proper divisors (14953934).

27670066 is a wasteful number, since it uses less digits than its factorization.

27670066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 27670066 is about 5260.2344054234. The cubic root of 27670066 is about 302.4614745009.

The spelling of 27670066 in words is "twenty-seven million, six hundred seventy thousand, sixty-six".