427326771 has 4 divisors (see below), whose sum is σ = 569769032. Its totient is φ = 284884512.

The previous prime is 427326763. The next prime is 427326799. The reversal of 427326771 is 177623724.

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

It is not a de Polignac number, because 427326771 - 2³ = 427326763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427326071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71221126 + ... + 71221131.

It is an arithmetic number, because the mean of its divisors is an integer number (142442258).

Almost surely, 2^427326771 is an apocalyptic number.

427326771 is a deficient number, since it is larger than the sum of its proper divisors (142442261).

427326771 is a wasteful number, since it uses less digits than its factorization.

427326771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142442260.

The product of its digits is 98784, while the sum is 39.

The square root of 427326771 is about 20671.8835861660. The cubic root of 427326771 is about 753.2168617848.

The spelling of 427326771 in words is "four hundred twenty-seven million, three hundred twenty-six thousand, seven hundred seventy-one".