4343749 has 4 divisors (see below), whose sum is σ = 4415020. Its totient is φ = 4272480.

The previous prime is 4343747. The next prime is 4343771. The reversal of 4343749 is 9473434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9473434 = 2 ⋅4736717.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 4264225 = 282^2 + 2065^2 .

It is a cyclic number.

It is not a de Polignac number, because 4343749 - 2¹ = 4343747 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 (4343747) 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, 35544 + ... + 35665.

It is an arithmetic number, because the mean of its divisors is an integer number (1103755).

Almost surely, 2^4343749 is an apocalyptic number.

It is an amenable number.

4343749 is a deficient number, since it is larger than the sum of its proper divisors (71271).

4343749 is an equidigital number, since it uses as much as digits as its factorization.

4343749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71270.

The product of its digits is 36288, while the sum is 34.

The square root of 4343749 is about 2084.1662601626. The cubic root of 4343749 is about 163.1629594627.

The spelling of 4343749 in words is "four million, three hundred forty-three thousand, seven hundred forty-nine".