427434127 has 4 divisors (see below), whose sum is σ = 449930680. Its totient is φ = 404937576.

The previous prime is 427434113. The next prime is 427434149. The reversal of 427434127 is 721434724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427434127 - 2⁷ = 427433999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427434092 and 427434101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427434157) 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, 11248248 + ... + 11248285.

It is an arithmetic number, because the mean of its divisors is an integer number (112482670).

Almost surely, 2^427434127 is an apocalyptic number.

427434127 is a deficient number, since it is larger than the sum of its proper divisors (22496553).

427434127 is a wasteful number, since it uses less digits than its factorization.

427434127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22496552.

The product of its digits is 37632, while the sum is 34.

The square root of 427434127 is about 20674.4800901982. The cubic root of 427434127 is about 753.2799326276.

The spelling of 427434127 in words is "four hundred twenty-seven million, four hundred thirty-four thousand, one hundred twenty-seven".