3274721 has 2 divisors, whose sum is σ = 3274722. Its totient is φ = 3274720.

The previous prime is 3274699. The next prime is 3274729. The reversal of 3274721 is 1274723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 1597696 = 1295^2 + 1264^2 .

It is an emirp because it is prime and its reverse (1274723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3274721 - 2⁶ = 3274657 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (3274729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637360 + 1637361.

It is an arithmetic number, because the mean of its divisors is an integer number (1637361).

Almost surely, 2^3274721 is an apocalyptic number.

It is an amenable number.

3274721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3274721 is an equidigital number, since it uses as much as digits as its factorization.

3274721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 26.

The square root of 3274721 is about 1809.6190206781. The cubic root of 3274721 is about 148.4994237149.

It can be divided in two parts, 32747 and 21, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 3274721 in words is "three million, two hundred seventy-four thousand, seven hundred twenty-one".