4724731 has 4 divisors (see below), whose sum is σ = 5154264. Its totient is φ = 4295200.

The previous prime is 4724723. The next prime is 4724747. The reversal of 4724731 is 1374274.

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

It is a cyclic number.

It is not a de Polignac number, because 4724731 - 2³ = 4724723 is a prime.

It is a super-2 number, since 2×4724731² = 44646166044722, which contains 22 as substring.

It is a Duffinian number.

4724731 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4724731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4724771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214750 + ... + 214771.

It is an arithmetic number, because the mean of its divisors is an integer number (1288566).

Almost surely, 2^4724731 is an apocalyptic number.

4724731 is a deficient number, since it is larger than the sum of its proper divisors (429533).

4724731 is a wasteful number, since it uses less digits than its factorization.

4724731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429532.

The product of its digits is 4704, while the sum is 28.

The square root of 4724731 is about 2173.6446351692. The cubic root of 4724731 is about 167.8001568356.

It can be divided in two parts, 47247 and 31, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 4724731 in words is "four million, seven hundred twenty-four thousand, seven hundred thirty-one".