27230730 has 16 divisors (see below), whose sum is σ = 65353824. Its totient is φ = 7261520.

The previous prime is 27230717. The next prime is 27230759. The reversal of 27230730 is 3703272.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27230730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453816 + ... + 453875.

It is an arithmetic number, because the mean of its divisors is an integer number (4084614).

Almost surely, 2^27230730 is an apocalyptic number.

27230730 is an abundant number, since it is smaller than the sum of its proper divisors (38123094).

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

27230730 is a wasteful number, since it uses less digits than its factorization.

27230730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907701.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 27230730 is about 5218.3071967833. The cubic root of 27230730 is about 300.8521328293.

The spelling of 27230730 in words is "twenty-seven million, two hundred thirty thousand, seven hundred thirty".