27420706 has 4 divisors (see below), whose sum is σ = 41131062. Its totient is φ = 13710352.

The previous prime is 27420703. The next prime is 27420707. The reversal of 27420706 is 60702472.

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

It can be written as a sum of positive squares in only one way, i.e., 25959025 + 1461681 = 5095^2 + 1209^2 .

It is not an unprimeable number, because it can be changed into a prime (27420703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6855175 + ... + 6855178.

Almost surely, 2^27420706 is an apocalyptic number.

27420706 is a deficient number, since it is larger than the sum of its proper divisors (13710356).

27420706 is a wasteful number, since it uses less digits than its factorization.

27420706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13710355.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 27420706 is about 5236.4783967854. The cubic root of 27420706 is about 301.5501467248.

The spelling of 27420706 in words is "twenty-seven million, four hundred twenty thousand, seven hundred six".