3732709 has 4 divisors (see below), whose sum is σ = 3783916. Its totient is φ = 3681504.

The previous prime is 3732697. The next prime is 3732719. The reversal of 3732709 is 9072373.

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 2712609 + 1020100 = 1647^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3732709 - 2⁷ = 3732581 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 (3732719) 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, 25494 + ... + 25639.

It is an arithmetic number, because the mean of its divisors is an integer number (945979).

Almost surely, 2^3732709 is an apocalyptic number.

It is an amenable number.

3732709 is a deficient number, since it is larger than the sum of its proper divisors (51207).

3732709 is an equidigital number, since it uses as much as digits as its factorization.

3732709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51206.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 3732709 is about 1932.0219978044. The cubic root of 3732709 is about 155.1224699782.

The spelling of 3732709 in words is "three million, seven hundred thirty-two thousand, seven hundred nine".