4747429 has 4 divisors (see below), whose sum is σ = 4752940. Its totient is φ = 4741920.

The previous prime is 4747427. The next prime is 4747441. The reversal of 4747429 is 9247474.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 2722500 = 1423^2 + 1650^2 .

It is a cyclic number.

It is not a de Polignac number, because 4747429 - 2¹ = 4747427 is a prime.

It is a super-2 number, since 2×4747429² = 45076164220082, which contains 22 as substring.

It is a Duffinian number.

4747429 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747427) 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, 1152 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (1188235).

Almost surely, 2^4747429 is an apocalyptic number.

It is an amenable number.

4747429 is a deficient number, since it is larger than the sum of its proper divisors (5511).

4747429 is a wasteful number, since it uses less digits than its factorization.

4747429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510.

The product of its digits is 56448, while the sum is 37.

The square root of 4747429 is about 2178.8595640839. The cubic root of 4747429 is about 168.0684363093.

The spelling of 4747429 in words is "four million, seven hundred forty-seven thousand, four hundred twenty-nine".