427304871 has 24 divisors (see below), whose sum is σ = 720405504. Its totient is φ = 238977360.

The previous prime is 427304849. The next prime is 427304903. The reversal of 427304871 is 178403724.

It is a happy number.

It is not a de Polignac number, because 427304871 - 2¹¹ = 427302823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427304831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69195 + ... + 75116.

It is an arithmetic number, because the mean of its divisors is an integer number (30016896).

Almost surely, 2^427304871 is an apocalyptic number.

427304871 is a deficient number, since it is larger than the sum of its proper divisors (293100633).

427304871 is a wasteful number, since it uses less digits than its factorization.

427304871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144371 (or 144368 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 427304871 is about 20671.3538743837. The cubic root of 427304871 is about 753.2039944023.

The spelling of 427304871 in words is "four hundred twenty-seven million, three hundred four thousand, eight hundred seventy-one".