27406966 has 4 divisors (see below), whose sum is σ = 41110452. Its totient is φ = 13703482.

The previous prime is 27406963. The next prime is 27406993. The reversal of 27406966 is 66960472.

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

It is a super-2 number, since 2×27406966² = 1502283570650312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27406963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6851740 + ... + 6851743.

It is an arithmetic number, because the mean of its divisors is an integer number (10277613).

Almost surely, 2^27406966 is an apocalyptic number.

27406966 is a deficient number, since it is larger than the sum of its proper divisors (13703486).

27406966 is a wasteful number, since it uses less digits than its factorization.

27406966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703485.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 27406966 is about 5235.1662819819. The cubic root of 27406966 is about 301.4997712743.

The spelling of 27406966 in words is "twenty-seven million, four hundred six thousand, nine hundred sixty-six".