3330731 has 2 divisors, whose sum is σ = 3330732. Its totient is φ = 3330730.

The previous prime is 3330721. The next prime is 3330739. The reversal of 3330731 is 1370333.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3330731 - 2⁶ = 3330667 is a prime.

It is a super-2 number, since 2×3330731² = 22187537988722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3330739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665365 + 1665366.

It is an arithmetic number, because the mean of its divisors is an integer number (1665366).

Almost surely, 2^3330731 is an apocalyptic number.

3330731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3330731 is an equidigital number, since it uses as much as digits as its factorization.

3330731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 3330731 is about 1825.0290408648. The cubic root of 3330731 is about 149.3412744014.

The spelling of 3330731 in words is "three million, three hundred thirty thousand, seven hundred thirty-one".