147427 has 4 divisors (see below), whose sum is σ = 168496. Its totient is φ = 126360.

The previous prime is 147419. The next prime is 147449. The reversal of 147427 is 724741.

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 147427 - 2³ = 147419 is a prime.

It is a Duffinian number.

147427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (147457) 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, 10524 + ... + 10537.

It is an arithmetic number, because the mean of its divisors is an integer number (42124).

2¹⁴⁷⁴²⁷ is an apocalyptic number.

147427 is a deficient number, since it is larger than the sum of its proper divisors (21069).

147427 is an equidigital number, since it uses as much as digits as its factorization.

147427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068.

The product of its digits is 1568, while the sum is 25.

The square root of 147427 is about 383.9622377266. The cubic root of 147427 is about 52.8273723622.

The spelling of 147427 in words is "one hundred forty-seven thousand, four hundred twenty-seven", and thus it is an iban number.