4747749 has 4 divisors (see below), whose sum is σ = 6330336. Its totient is φ = 3165164.

The previous prime is 4747747. The next prime is 4747751. The reversal of 4747749 is 9477474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4747747) and next prime (4747751).

It is a cyclic number.

It is not a de Polignac number, because 4747749 - 2¹ = 4747747 is a prime.

It is a super-2 number, since 2×4747749² = 45082241134002, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4747749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747741) 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 3 ways as a sum of consecutive naturals, for example, 791289 + ... + 791294.

It is an arithmetic number, because the mean of its divisors is an integer number (1582584).

Almost surely, 2^4747749 is an apocalyptic number.

It is an amenable number.

4747749 is a deficient number, since it is larger than the sum of its proper divisors (1582587).

4747749 is a wasteful number, since it uses less digits than its factorization.

4747749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582586.

The product of its digits is 197568, while the sum is 42.

The square root of 4747749 is about 2178.9329957573. The cubic root of 4747749 is about 168.0722124368.

The spelling of 4747749 in words is "four million, seven hundred forty-seven thousand, seven hundred forty-nine".