427973 has 8 divisors (see below), whose sum is σ = 526848. Its totient is φ = 338544.

The previous prime is 427969. The next prime is 427991. The reversal of 427973 is 379724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 427973 - 2² = 427969 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427913) 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, 2261 + ... + 2442.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2⁴²⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

427973 is a deficient number, since it is larger than the sum of its proper divisors (98875).

427973 is a wasteful number, since it uses less digits than its factorization.

427973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its digits is 10584, while the sum is 32.

The square root of 427973 is about 654.1964536743. The cubic root of 427973 is about 75.3596357020.

The spelling of 427973 in words is "four hundred twenty-seven thousand, nine hundred seventy-three".