4743749 has 4 divisors (see below), whose sum is σ = 4993440. Its totient is φ = 4494060.

The previous prime is 4743743. The next prime is 4743769. The reversal of 4743749 is 9473474.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9473474 = 2 ⋅4736737.

It is a cyclic number.

It is not a de Polignac number, because 4743749 - 2²⁰ = 3695173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4743743) 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, 124817 + ... + 124854.

It is an arithmetic number, because the mean of its divisors is an integer number (1248360).

Almost surely, 2^4743749 is an apocalyptic number.

It is an amenable number.

4743749 is a deficient number, since it is larger than the sum of its proper divisors (249691).

4743749 is a wasteful number, since it uses less digits than its factorization.

4743749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249690.

The product of its digits is 84672, while the sum is 38.

The square root of 4743749 is about 2178.0149218956. The cubic root of 4743749 is about 168.0249986420.

The spelling of 4743749 in words is "four million, seven hundred forty-three thousand, seven hundred forty-nine".