427027147 has 4 divisors (see below), whose sum is σ = 449502280. Its totient is φ = 404552016.

The previous prime is 427027123. The next prime is 427027169. The reversal of 427027147 is 741720724.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427027147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427027187) 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, 11237538 + ... + 11237575.

It is an arithmetic number, because the mean of its divisors is an integer number (112375570).

Almost surely, 2^427027147 is an apocalyptic number.

427027147 is a deficient number, since it is larger than the sum of its proper divisors (22475133).

427027147 is a wasteful number, since it uses less digits than its factorization.

427027147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22475132.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 427027147 is about 20664.6351770362. The cubic root of 427027147 is about 753.0407790372.

The spelling of 427027147 in words is "four hundred twenty-seven million, twenty-seven thousand, one hundred forty-seven".