2734621 has 4 divisors (see below), whose sum is σ = 2738592. Its totient is φ = 2730652.

The previous prime is 2734619. The next prime is 2734643. The reversal of 2734621 is 1264372.

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 2734621 - 2¹ = 2734619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2734321) 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, 655 + ... + 2428.

It is an arithmetic number, because the mean of its divisors is an integer number (684648).

2^2734621 is an apocalyptic number.

It is an amenable number.

2734621 is a deficient number, since it is larger than the sum of its proper divisors (3971).

2734621 is an equidigital number, since it uses as much as digits as its factorization.

2734621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970.

The product of its digits is 2016, while the sum is 25.

The square root of 2734621 is about 1653.6689511507. The cubic root of 2734621 is about 139.8403111198.

Adding to 2734621 its reverse (1264372), we get a palindrome (3998993).

The spelling of 2734621 in words is "two million, seven hundred thirty-four thousand, six hundred twenty-one".