2734387 has 2 divisors, whose sum is σ = 2734388. Its totient is φ = 2734386.

The previous prime is 2734343. The next prime is 2734393. The reversal of 2734387 is 7834372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2734387 is a prime.

It is a super-3 number, since 3×2734387³ = 61333986972537895809, which contains 333 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2734307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1367193 + 1367194.

It is an arithmetic number, because the mean of its divisors is an integer number (1367194).

2^2734387 is an apocalyptic number.

2734387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2734387 is an equidigital number, since it uses as much as digits as its factorization.

2734387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 2734387 is about 1653.5981978703. The cubic root of 2734387 is about 139.8363223201.

The spelling of 2734387 in words is "two million, seven hundred thirty-four thousand, three hundred eighty-seven".