2734649 has 4 divisors (see below), whose sum is σ = 2747136. Its totient is φ = 2722164.

The previous prime is 2734643. The next prime is 2734663. The reversal of 2734649 is 9464372.

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 a cyclic number.

It is not a de Polignac number, because 2734649 - 2⁸ = 2734393 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 7³ + 3¹² + 4 + 6⁶ + 4 + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2734643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5909 + ... + 6354.

It is an arithmetic number, because the mean of its divisors is an integer number (686784).

2^2734649 is an apocalyptic number.

It is an amenable number.

2734649 is a deficient number, since it is larger than the sum of its proper divisors (12487).

2734649 is a wasteful number, since it uses less digits than its factorization.

2734649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its digits is 36288, while the sum is 35.

The square root of 2734649 is about 1653.6774171525. The cubic root of 2734649 is about 139.8407883969.

The spelling of 2734649 in words is "two million, seven hundred thirty-four thousand, six hundred forty-nine".