27500030 has 16 divisors (see below), whose sum is σ = 52105680. Its totient is φ = 10420992.

The previous prime is 27500027. The next prime is 27500047. The reversal of 27500030 is 3000572.

It is a junction number, because it is equal to n+sod(n) for n = 27499981 and 27500008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72179 + ... + 72558.

It is an arithmetic number, because the mean of its divisors is an integer number (3256605).

Almost surely, 2^27500030 is an apocalyptic number.

27500030 is a deficient number, since it is larger than the sum of its proper divisors (24605650).

27500030 is a wasteful number, since it uses less digits than its factorization.

27500030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144763.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 27500030 is about 5244.0471012377. The cubic root of 27500030 is about 301.8406466000.

The spelling of 27500030 in words is "twenty-seven million, five hundred thousand, thirty".