27461397 has 4 divisors (see below), whose sum is σ = 36615200. Its totient is φ = 18307596.

The previous prime is 27461387. The next prime is 27461411. The reversal of 27461397 is 79316472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 27461397 - 2²⁰ = 26412821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27461387) 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 3 ways as a sum of consecutive naturals, for example, 4576897 + ... + 4576902.

It is an arithmetic number, because the mean of its divisors is an integer number (9153800).

Almost surely, 2^27461397 is an apocalyptic number.

It is an amenable number.

27461397 is a deficient number, since it is larger than the sum of its proper divisors (9153803).

27461397 is an equidigital number, since it uses as much as digits as its factorization.

27461397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153802.

The product of its digits is 63504, while the sum is 39.

The square root of 27461397 is about 5240.3622966356. The cubic root of 27461397 is about 301.6992349414.

The spelling of 27461397 in words is "twenty-seven million, four hundred sixty-one thousand, three hundred ninety-seven".