27242890 has 16 divisors (see below), whose sum is σ = 50728680. Its totient is φ = 10521280.

The previous prime is 27242869. The next prime is 27242911. The reversal of 27242890 is 9824272.

It is an interprime number because it is at equal distance from previous prime (27242869) and next prime (27242911).

It can be written as a sum of positive squares in 4 ways, for example, as 18931201 + 8311689 = 4351^2 + 2883^2 .

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, 46681 + ... + 47260.

Almost surely, 2^27242890 is an apocalyptic number.

27242890 is a deficient number, since it is larger than the sum of its proper divisors (23485790).

27242890 is a wasteful number, since it uses less digits than its factorization.

27242890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93977.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 27242890 is about 5219.4721955385. The cubic root of 27242890 is about 300.8969084378.

The spelling of 27242890 in words is "twenty-seven million, two hundred forty-two thousand, eight hundred ninety".