427732743 has 4 divisors (see below), whose sum is σ = 570310328. Its totient is φ = 285155160.

The previous prime is 427732729. The next prime is 427732751. The reversal of 427732743 is 347237724.

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

It is not a de Polignac number, because 427732743 - 2²¹ = 425635591 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 (427732763) 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, 71288788 + ... + 71288793.

It is an arithmetic number, because the mean of its divisors is an integer number (142577582).

Almost surely, 2^427732743 is an apocalyptic number.

427732743 is a deficient number, since it is larger than the sum of its proper divisors (142577585).

427732743 is a wasteful number, since it uses less digits than its factorization.

427732743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142577584.

The product of its digits is 197568, while the sum is 39.

The square root of 427732743 is about 20681.7006795863. The cubic root of 427732743 is about 753.4553117587.

The spelling of 427732743 in words is "four hundred twenty-seven million, seven hundred thirty-two thousand, seven hundred forty-three".