3072709 has 2 divisors, whose sum is σ = 3072710. Its totient is φ = 3072708.

The previous prime is 3072703. The next prime is 3072749. The reversal of 3072709 is 9072703.

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., 2022084 + 1050625 = 1422^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 3072709 - 2³ = 3072701 is a prime.

It is a super-3 number, since 3×3072709³ = 87033320314297490487, which contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3072701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1536354 + 1536355.

It is an arithmetic number, because the mean of its divisors is an integer number (1536355).

Almost surely, 2^3072709 is an apocalyptic number.

It is an amenable number.

3072709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3072709 is an equidigital number, since it uses as much as digits as its factorization.

3072709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 3072709 is about 1752.9144303131. The cubic root of 3072709 is about 145.3808300602.

The spelling of 3072709 in words is "three million, seventy-two thousand, seven hundred nine".