27243800 has 48 divisors (see below), whose sum is σ = 63779400. Its totient is φ = 10822400.

The previous prime is 27243779. The next prime is 27243817. The reversal of 27243800 is 834272.

It is a self number, because there is not a number n which added to its sum of digits gives 27243800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35420 + ... + 36180.

Almost surely, 2^27243800 is an apocalyptic number.

27243800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27243800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31889700).

27243800 is an abundant number, since it is smaller than the sum of its proper divisors (36535600).

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

27243800 is a wasteful number, since it uses less digits than its factorization.

27243800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 27243800 is about 5219.5593683758. The cubic root of 27243800 is about 300.9002587082.

The spelling of 27243800 in words is "twenty-seven million, two hundred forty-three thousand, eight hundred".