27070645 has 8 divisors (see below), whose sum is σ = 37125504. Its totient is φ = 18562704.

The previous prime is 27070627. The next prime is 27070661. The reversal of 27070645 is 54607072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27070645 - 2¹⁷ = 26939573 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 386689 + ... + 386758.

It is an arithmetic number, because the mean of its divisors is an integer number (4640688).

Almost surely, 2^27070645 is an apocalyptic number.

It is an amenable number.

27070645 is a deficient number, since it is larger than the sum of its proper divisors (10054859).

27070645 is an equidigital number, since it uses as much as digits as its factorization.

27070645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773459.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 27070645 is about 5202.9458002174. The cubic root of 27070645 is about 300.2614202801.

The spelling of 27070645 in words is "twenty-seven million, seventy thousand, six hundred forty-five".