2734257 has 4 divisors (see below), whose sum is σ = 3645680. Its totient is φ = 1822836.

The previous prime is 2734253. The next prime is 2734279. The reversal of 2734257 is 7524372.

2734257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2734257 - 2² = 2734253 is a prime.

It is a super-2 number, since 2×2734257² = 14952322684098, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2734253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455707 + ... + 455712.

It is an arithmetic number, because the mean of its divisors is an integer number (911420).

2^2734257 is an apocalyptic number.

It is an amenable number.

2734257 is a deficient number, since it is larger than the sum of its proper divisors (911423).

2734257 is an equidigital number, since it uses as much as digits as its factorization.

2734257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911422.

The product of its digits is 11760, while the sum is 30.

The square root of 2734257 is about 1653.5588891842. The cubic root of 2734257 is about 139.8341062220.

The spelling of 2734257 in words is "two million, seven hundred thirty-four thousand, two hundred fifty-seven".