27313230 has 64 divisors (see below), whose sum is σ = 75644928. Its totient is φ = 6182400.

The previous prime is 27313229. The next prime is 27313243. The reversal of 27313230 is 3231372.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27313197 and 27313206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23155 + ... + 24305.

It is an arithmetic number, because the mean of its divisors is an integer number (1181952).

Almost surely, 2^27313230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27313230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37822464).

27313230 is an abundant number, since it is smaller than the sum of its proper divisors (48331698).

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

27313230 is a wasteful number, since it uses less digits than its factorization.

27313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 27313230 is about 5226.2060808965. The cubic root of 27313230 is about 301.1556536105.

The spelling of 27313230 in words is "twenty-seven million, three hundred thirteen thousand, two hundred thirty".