427704 has 32 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 140000.

The previous prime is 427681. The next prime is 427711. The reversal of 427704 is 407724.

427704 = T₇₁ + T₇₂ + ... + T₁₄₂.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

427704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579 + ... + 1829.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁴²⁷⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

427704 is an abundant number, since it is smaller than the sum of its proper divisors (660936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427704 is a wasteful number, since it uses less digits than its factorization.

427704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 327 counting only the distinct ones).

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

The square root of 427704 is about 653.9908256237. The cubic root of 427704 is about 75.3438434358.

The spelling of 427704 in words is "four hundred twenty-seven thousand, seven hundred four", and thus it is an iban number.