27473897 has 12 divisors (see below), whose sum is σ = 30847488. Its totient is φ = 24439800.

The previous prime is 27473863. The next prime is 27473899. The reversal of 27473897 is 79837472.

27473897 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 27473897 - 2¹⁰ = 27472873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27473899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3272 + ... + 8102.

It is an arithmetic number, because the mean of its divisors is an integer number (2570624).

Almost surely, 2^27473897 is an apocalyptic number.

It is an amenable number.

27473897 is a deficient number, since it is larger than the sum of its proper divisors (3373591).

27473897 is a wasteful number, since it uses less digits than its factorization.

With its successor (27473898) it forms an eRAP, since the sums of their prime factors are consecutive (4900 and 4901).

27473897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 4889 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 27473897 is about 5241.5548265758. The cubic root of 27473897 is about 301.7450042611.

The spelling of 27473897 in words is "twenty-seven million, four hundred seventy-three thousand, eight hundred ninety-seven".