4042747 has 4 divisors (see below), whose sum is σ = 4057416. Its totient is φ = 4028080.

The previous prime is 4042729. The next prime is 4042757. The reversal of 4042747 is 7472404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042747 is a prime.

It is a pancake number, because a pancake can be divided into 4042747 parts by 2843 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042757) 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, 6913 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (1014354).

Almost surely, 2^4042747 is an apocalyptic number.

4042747 is a deficient number, since it is larger than the sum of its proper divisors (14669).

4042747 is a wasteful number, since it uses less digits than its factorization.

4042747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14668.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 4042747 is about 2010.6583498944. The cubic root of 4042747 is about 159.3035746590.

The spelling of 4042747 in words is "four million, forty-two thousand, seven hundred forty-seven".