427071321 has 12 divisors (see below), whose sum is σ = 617064448. Its totient is φ = 284629464.

The previous prime is 427071317. The next prime is 427071343. The reversal of 427071321 is 123170724.

It is a happy number.

427071321 is a `hidden beast` number, since 4 + 270 + 71 + 321 = 666.

It is not a de Polignac number, because 427071321 - 2² = 427071317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427071301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45216 + ... + 53838.

Almost surely, 2^427071321 is an apocalyptic number.

It is an amenable number.

427071321 is a deficient number, since it is larger than the sum of its proper divisors (189993127).

427071321 is a wasteful number, since it uses less digits than its factorization.

427071321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132 (or 14129 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 427071321 is about 20665.7039802664. The cubic root of 427071321 is about 753.0667443470.

The spelling of 427071321 in words is "four hundred twenty-seven million, seventy-one thousand, three hundred twenty-one".