27161304 has 16 divisors (see below), whose sum is σ = 67903320. Its totient is φ = 9053760.

The previous prime is 27161249. The next prime is 27161327. The reversal of 27161304 is 40316172.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1131721 = 27161304 / (2 + 7 + 1 + 6 + 1 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565837 + ... + 565884.

Almost surely, 2^27161304 is an apocalyptic number.

27161304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27161304 is an abundant number, since it is smaller than the sum of its proper divisors (40742016).

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

27161304 is a wasteful number, since it uses less digits than its factorization.

27161304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131730 (or 1131726 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 27161304 is about 5211.6507941342. The cubic root of 27161304 is about 300.5962364442.

Adding to 27161304 its reverse (40316172), we get a palindrome (67477476).

The spelling of 27161304 in words is "twenty-seven million, one hundred sixty-one thousand, three hundred four".