27297468 has 72 divisors (see below), whose sum is σ = 77903280. Its totient is φ = 7983360.

The previous prime is 27297467. The next prime is 27297533. The reversal of 27297468 is 86479272.

It is a super-2 number, since 2×27297468² = 1490303518422048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27297463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10296 + ... + 12672.

It is an arithmetic number, because the mean of its divisors is an integer number (1081990).

Almost surely, 2^27297468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27297468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38951640).

27297468 is an abundant number, since it is smaller than the sum of its proper divisors (50605812).

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

27297468 is a wasteful number, since it uses less digits than its factorization.

27297468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427 (or 2422 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 27297468 is about 5224.6978860026. The cubic root of 27297468 is about 301.0977118633.

The spelling of 27297468 in words is "twenty-seven million, two hundred ninety-seven thousand, four hundred sixty-eight".