427730 has 8 divisors (see below), whose sum is σ = 769932. Its totient is φ = 171088.

The previous prime is 427727. The next prime is 427733. The reversal of 427730 is 37724.

It is an interprime number because it is at equal distance from previous prime (427727) and next prime (427733).

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 39601 = 623^2 + 199^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 427696 and 427705.

It is not an unprimeable number, because it can be changed into a prime (427733) 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, 21377 + ... + 21396.

2⁴²⁷⁷³⁰ is an apocalyptic number.

427730 is a deficient number, since it is larger than the sum of its proper divisors (342202).

427730 is a wasteful number, since it uses less digits than its factorization.

427730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42780.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 427730 is about 654.0107032763. The cubic root of 427730 is about 75.3453701148.

The spelling of 427730 in words is "four hundred twenty-seven thousand, seven hundred thirty".