27234740 has 72 divisors (see below), whose sum is σ = 64227240. Its totient is φ = 9642240.

The previous prime is 27234721. The next prime is 27234743. The reversal of 27234740 is 4743272.

It can be written as a sum of positive squares in 4 ways, for example, as 1387684 + 25847056 = 1178^2 + 5084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27234743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249806 + ... + 249914.

It is an arithmetic number, because the mean of its divisors is an integer number (892045).

Almost surely, 2^27234740 is an apocalyptic number.

27234740 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 27234740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32113620).

27234740 is an abundant number, since it is smaller than the sum of its proper divisors (36992500).

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

27234740 is a wasteful number, since it uses less digits than its factorization.

27234740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 27234740 is about 5218.6914068567. The cubic root of 27234740 is about 300.8668999428.

The spelling of 27234740 in words is "twenty-seven million, two hundred thirty-four thousand, seven hundred forty".