27601321 has 16 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 24278800.

The previous prime is 27601309. The next prime is 27601331. The reversal of 27601321 is 12310672.

It is a cyclic number.

It is not a de Polignac number, because 27601321 - 2⁵ = 27601289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27601292 and 27601301.

It is not an unprimeable number, because it can be changed into a prime (27601331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45780 + ... + 46378.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^27601321 is an apocalyptic number.

It is an amenable number.

27601321 is a deficient number, since it is larger than the sum of its proper divisors (3502679).

27601321 is a wasteful number, since it uses less digits than its factorization.

27601321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 27601321 is about 5253.6959371475. The cubic root of 27601321 is about 302.2107829246.

Adding to 27601321 its reverse (12310672), we get a palindrome (39911993).

The spelling of 27601321 in words is "twenty-seven million, six hundred one thousand, three hundred twenty-one".