427547 has 8 divisors (see below), whose sum is σ = 462240. Its totient is φ = 394240.

The previous prime is 427541. The next prime is 427579. The reversal of 427547 is 745724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (57780).

2⁴²⁷⁵⁴⁷ is an apocalyptic number.

427547 is a deficient number, since it is larger than the sum of its proper divisors (34693).

427547 is a wasteful number, since it uses less digits than its factorization.

427547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 7840, while the sum is 29.

The square root of 427547 is about 653.8707823416. The cubic root of 427547 is about 75.3346233279.

The spelling of 427547 in words is "four hundred twenty-seven thousand, five hundred forty-seven".