27068904 has 80 divisors (see below), whose sum is σ = 77936100. Its totient is φ = 8771328.

The previous prime is 27068903. The next prime is 27068969. The reversal of 27068904 is 40986072.

It can be written as a sum of positive squares in 2 ways, for example, as 27060804 + 8100 = 5202^2 + 90^2 .

It is a super-2 number, since 2×27068904² = 1465451127522432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27068903) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23412 + ... + 24540.

Almost surely, 2^27068904 is an apocalyptic number.

27068904 is a gapful number since it is divisible by the number (24) 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 27068904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38968050).

27068904 is an abundant number, since it is smaller than the sum of its proper divisors (50867196).

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

27068904 is a wasteful number, since it uses less digits than its factorization.

With its successor (27068905) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1184).

27068904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 27068904 is about 5202.7784884617. The cubic root of 27068904 is about 300.2549832171.

It can be divided in two parts, 27068 and 904, that added together give a palindrome (27972).

The spelling of 27068904 in words is "twenty-seven million, sixty-eight thousand, nine hundred four".