27080730 has 80 divisors (see below), whose sum is σ = 74052000. Its totient is φ = 7099488.

The previous prime is 27080717. The next prime is 27080741. The reversal of 27080730 is 3708072.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27080694 and 27080703.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54021 + ... + 54519.

It is an arithmetic number, because the mean of its divisors is an integer number (925650).

Almost surely, 2^27080730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27080730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37026000).

27080730 is an abundant number, since it is smaller than the sum of its proper divisors (46971270).

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

27080730 is a wasteful number, since it uses less digits than its factorization.

27080730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 27080730 is about 5203.9148724782. The cubic root of 27080730 is about 300.2987024907.

The spelling of 27080730 in words is "twenty-seven million, eighty thousand, seven hundred thirty".