2734321 has 2 divisors, whose sum is σ = 2734322. Its totient is φ = 2734320.

The previous prime is 2734307. The next prime is 2734339. The reversal of 2734321 is 1234372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1904400 + 829921 = 1380^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2734321 - 2⁵ = 2734289 is a prime.

It is a super-2 number, since 2×2734321² = 14953022662082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2734292 and 2734301.

It is not a weakly prime, because it can be changed into another prime (2734421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367160 + 1367161.

It is an arithmetic number, because the mean of its divisors is an integer number (1367161).

2^2734321 is an apocalyptic number.

It is an amenable number.

2734321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734321 is an equidigital number, since it uses as much as digits as its factorization.

2734321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 2734321 is about 1653.5782412695. The cubic root of 2734321 is about 139.8351972329.

Adding to 2734321 its reverse (1234372), we get a palindrome (3968693).

The spelling of 2734321 in words is "two million, seven hundred thirty-four thousand, three hundred twenty-one".