3724709 has 2 divisors, whose sum is σ = 3724710. Its totient is φ = 3724708.

The previous prime is 3724667. The next prime is 3724711. The reversal of 3724709 is 9074273.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3694084 + 30625 = 1922^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3724709 is a prime.

Together with 3724711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3724109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862354 + 1862355.

It is an arithmetic number, because the mean of its divisors is an integer number (1862355).

Almost surely, 2^3724709 is an apocalyptic number.

It is an amenable number.

3724709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3724709 is an equidigital number, since it uses as much as digits as its factorization.

3724709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 3724709 is about 1929.9505175004. The cubic root of 3724709 is about 155.0115704162.

The spelling of 3724709 in words is "three million, seven hundred twenty-four thousand, seven hundred nine".