427342671 has 24 divisors (see below), whose sum is σ = 719856800. Its totient is φ = 244194048.

The previous prime is 427342649. The next prime is 427342687. The reversal of 427342671 is 176243724.

It is not a de Polignac number, because 427342671 - 2⁵ = 427342639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427342621) 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, 66130 + ... + 72303.

Almost surely, 2^427342671 is an apocalyptic number.

427342671 is a deficient number, since it is larger than the sum of its proper divisors (292514129).

427342671 is a wasteful number, since it uses less digits than its factorization.

427342671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138460 (or 138443 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 427342671 is about 20672.2681629278. The cubic root of 427342671 is about 753.2262035816.

The spelling of 427342671 in words is "four hundred twenty-seven million, three hundred forty-two thousand, six hundred seventy-one".