273481427 has 4 divisors (see below), whose sum is σ = 274226976. Its totient is φ = 272735880.

The previous prime is 273481423. The next prime is 273481447. The reversal of 273481427 is 724184372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 273481427 - 2² = 273481423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273481423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372224 + ... + 372957.

It is an arithmetic number, because the mean of its divisors is an integer number (68556744).

Almost surely, 2^273481427 is an apocalyptic number.

273481427 is a deficient number, since it is larger than the sum of its proper divisors (745549).

273481427 is an equidigital number, since it uses as much as digits as its factorization.

273481427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745548.

The product of its digits is 75264, while the sum is 38.

The square root of 273481427 is about 16537.2738684464. The cubic root of 273481427 is about 649.0965175467.

The spelling of 273481427 in words is "two hundred seventy-three million, four hundred eighty-one thousand, four hundred twenty-seven".