27042293 has 4 divisors (see below), whose sum is σ = 27239820. Its totient is φ = 26844768.

The previous prime is 27042269. The next prime is 27042299. The reversal of 27042293 is 39224072.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21921124 + 5121169 = 4682^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 27042293 - 2⁶ = 27042229 is a prime.

It is a super-2 number, since 2×27042293² = 1462571221395698, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27042299) 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, 98558 + ... + 98831.

It is an arithmetic number, because the mean of its divisors is an integer number (6809955).

Almost surely, 2^27042293 is an apocalyptic number.

It is an amenable number.

27042293 is a deficient number, since it is larger than the sum of its proper divisors (197527).

27042293 is a wasteful number, since it uses less digits than its factorization.

27042293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197526.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 27042293 is about 5200.2204760952. The cubic root of 27042293 is about 300.1565590241.

The spelling of 27042293 in words is "twenty-seven million, forty-two thousand, two hundred ninety-three".