27070649 has 4 divisors (see below), whose sum is σ = 28495440. Its totient is φ = 25645860.

The previous prime is 27070627. The next prime is 27070661. The reversal of 27070649 is 94607072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27070649 - 2²⁴ = 10293433 is a prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (27070049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712367 + ... + 712404.

It is an arithmetic number, because the mean of its divisors is an integer number (7123860).

Almost surely, 2^27070649 is an apocalyptic number.

It is an amenable number.

27070649 is a deficient number, since it is larger than the sum of its proper divisors (1424791).

27070649 is a wasteful number, since it uses less digits than its factorization.

27070649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424790.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 27070649 is about 5202.9461846150. The cubic root of 27070649 is about 300.2614350691.

The spelling of 27070649 in words is "twenty-seven million, seventy thousand, six hundred forty-nine".