27070290 has 96 divisors (see below), whose sum is σ = 80314416. Its totient is φ = 6266880.

The previous prime is 27070283. The next prime is 27070297. The reversal of 27070290 is 9207072.

It is an interprime number because it is at equal distance from previous prime (27070283) and next prime (27070297).

It can be written as a sum of positive squares in 8 ways, for example, as 5919489 + 21150801 = 2433^2 + 4599^2 .

It is not an unprimeable number, because it can be changed into a prime (27070297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19210 + ... + 20570.

Almost surely, 2^27070290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27070290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40157208).

27070290 is an abundant number, since it is smaller than the sum of its proper divisors (53244126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27070290 is a wasteful number, since it uses less digits than its factorization.

27070290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 27070290 is about 5202.9116848165. The cubic root of 27070290 is about 300.2601077480.

The spelling of 27070290 in words is "twenty-seven million, seventy thousand, two hundred ninety".