427407 has 4 divisors (see below), whose sum is σ = 569880. Its totient is φ = 284936.

The previous prime is 427403. The next prime is 427417. The reversal of 427407 is 704724.

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 427407 - 2² = 427403 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427403) 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, 71232 + ... + 71237.

It is an arithmetic number, because the mean of its divisors is an integer number (142470).

2⁴²⁷⁴⁰⁷ is an apocalyptic number.

427407 is a deficient number, since it is larger than the sum of its proper divisors (142473).

427407 is a wasteful number, since it uses less digits than its factorization.

427407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142472.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 427407 is about 653.7637187853. The cubic root of 427407 is about 75.3263996716.

The spelling of 427407 in words is "four hundred twenty-seven thousand, four hundred seven", and thus it is an iban number.