3734729 has 4 divisors (see below), whose sum is σ = 3740100. Its totient is φ = 3729360.

The previous prime is 3734719. The next prime is 3734737. The reversal of 3734729 is 9274373.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1885129 + 1849600 = 1373^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 3734729 - 2⁸ = 3734473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3734719) 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, 1454 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (935025).

Almost surely, 2^3734729 is an apocalyptic number.

It is an amenable number.

3734729 is a deficient number, since it is larger than the sum of its proper divisors (5371).

3734729 is an equidigital number, since it uses as much as digits as its factorization.

3734729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370.

The product of its digits is 31752, while the sum is 35.

The square root of 3734729 is about 1932.5446954728. The cubic root of 3734729 is about 155.1504470571.

The spelling of 3734729 in words is "three million, seven hundred thirty-four thousand, seven hundred twenty-nine".