2724149 has 4 divisors (see below), whose sum is σ = 2728320. Its totient is φ = 2719980.

The previous prime is 2724121. The next prime is 2724151. The reversal of 2724149 is 9414272.

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 a de Polignac number, because none of the positive numbers 2^k-2724149 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 (2724109) 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, 869 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (682080).

2^2724149 is an apocalyptic number.

It is an amenable number.

2724149 is a deficient number, since it is larger than the sum of its proper divisors (4171).

2724149 is an equidigital number, since it uses as much as digits as its factorization.

2724149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170.

The product of its digits is 4032, while the sum is 29.

The square root of 2724149 is about 1650.4996213268. The cubic root of 2724149 is about 139.6615805632.

The spelling of 2724149 in words is "two million, seven hundred twenty-four thousand, one hundred forty-nine".