3748709 has 2 divisors, whose sum is σ = 3748710. Its totient is φ = 3748708.

The previous prime is 3748699. The next prime is 3748711. The reversal of 3748709 is 9078473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3319684 + 429025 = 1822^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 3748709 - 2¹² = 3744613 is a prime.

Together with 3748711, 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 (3748739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874354 + 1874355.

It is an arithmetic number, because the mean of its divisors is an integer number (1874355).

Almost surely, 2^3748709 is an apocalyptic number.

It is an amenable number.

3748709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748709 is an equidigital number, since it uses as much as digits as its factorization.

3748709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 3748709 is about 1936.1583096431. The cubic root of 3748709 is about 155.3437946417.

The spelling of 3748709 in words is "three million, seven hundred forty-eight thousand, seven hundred nine".