427427 has 24 divisors (see below), whose sum is σ = 593712. Its totient is φ = 302400.

The previous prime is 427423. The next prime is 427429. The reversal of 427427 is 724724.

It is not a de Polignac number, because 427427 - 2² = 427423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427396 and 427405.

It is not an unprimeable number, because it can be changed into a prime (427421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6977 + ... + 7037.

It is an arithmetic number, because the mean of its divisors is an integer number (24738).

2⁴²⁷⁴²⁷ is an apocalyptic number.

427427 is a deficient number, since it is larger than the sum of its proper divisors (166285).

427427 is a wasteful number, since it uses less digits than its factorization.

427427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 92 counting only the distinct ones).

The product of its digits is 3136, while the sum is 26.

The square root of 427427 is about 653.7790146525. The cubic root of 427427 is about 75.3275745896.

The spelling of 427427 in words is "four hundred twenty-seven thousand, four hundred twenty-seven", and thus it is an iban number.