4742865 has 12 divisors (see below), whose sum is σ = 8221044. Its totient is φ = 2529504.

The previous prime is 4742861. The next prime is 4742873. The reversal of 4742865 is 5682474.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 3359889 = 1176^2 + 1833^2 .

It is not a de Polignac number, because 4742865 - 2² = 4742861 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

4742865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4742861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52654 + ... + 52743.

It is an arithmetic number, because the mean of its divisors is an integer number (685087).

Almost surely, 2^4742865 is an apocalyptic number.

4742865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4742865 is a deficient number, since it is larger than the sum of its proper divisors (3478179).

4742865 is a wasteful number, since it uses less digits than its factorization.

4742865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105408 (or 105405 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4742865 is about 2177.8119753551. The cubic root of 4742865 is about 168.0145608128.

The spelling of 4742865 in words is "four million, seven hundred forty-two thousand, eight hundred sixty-five".