27750130 has 16 divisors (see below), whose sum is σ = 50048280. Its totient is φ = 11078272.

The previous prime is 27750113. The next prime is 27750139. The reversal of 27750130 is 3105772.

It can be written as a sum of positive squares in 4 ways, for example, as 14493249 + 13256881 = 3807^2 + 3641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27750095 and 27750104.

It is not an unprimeable number, because it can be changed into a prime (27750139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252 + ... + 8128.

Almost surely, 2^27750130 is an apocalyptic number.

27750130 is a deficient number, since it is larger than the sum of its proper divisors (22298150).

27750130 is a wasteful number, since it uses less digits than its factorization.

27750130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 27750130 is about 5267.8392154659. The cubic root of 27750130 is about 302.7529200914.

The spelling of 27750130 in words is "twenty-seven million, seven hundred fifty thousand, one hundred thirty".