27726030 has 64 divisors (see below), whose sum is σ = 76507200. Its totient is φ = 7136640.

The previous prime is 27726029. The next prime is 27726037. The reversal of 27726030 is 3062772.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 27725985 and 27726003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27726037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6060 + ... + 9600.

It is an arithmetic number, because the mean of its divisors is an integer number (1195425).

Almost surely, 2^27726030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27726030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38253600).

27726030 is an abundant number, since it is smaller than the sum of its proper divisors (48781170).

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

27726030 is a wasteful number, since it uses less digits than its factorization.

27726030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 27726030 is about 5265.5512531928. The cubic root of 27726030 is about 302.6652513297.

The spelling of 27726030 in words is "twenty-seven million, seven hundred twenty-six thousand, thirty".