3742709 has 2 divisors, whose sum is σ = 3742710. Its totient is φ = 3742708.

The previous prime is 3742699. The next prime is 3742727. The reversal of 3742709 is 9072473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 1697809 = 1430^2 + 1303^2 .

It is an emirp because it is prime and its reverse (9072473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3742709 - 2⁴ = 3742693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3742729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1871354 + 1871355.

It is an arithmetic number, because the mean of its divisors is an integer number (1871355).

Almost surely, 2^3742709 is an apocalyptic number.

It is an amenable number.

3742709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3742709 is an equidigital number, since it uses as much as digits as its factorization.

3742709 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 3742709 is about 1934.6082290738. The cubic root of 3742709 is about 155.2608718291.

The spelling of 3742709 in words is "three million, seven hundred forty-two thousand, seven hundred nine".