2724245 has 16 divisors (see below), whose sum is σ = 3408048. Its totient is φ = 2088960.

The previous prime is 2724229. The next prime is 2724251. The reversal of 2724245 is 5424272.

It can be written as a sum of positive squares in 8 ways, for example, as 293764 + 2430481 = 542^2 + 1559^2 .

It is not a de Polignac number, because 2724245 - 2⁴ = 2724229 is a prime.

It is a Duffinian number.

Its product of digits (4480) is a multiple of the sum of its prime divisors (280).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19817 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (213003).

2^2724245 is an apocalyptic number.

It is an amenable number.

2724245 is a deficient number, since it is larger than the sum of its proper divisors (683803).

2724245 is a wasteful number, since it uses less digits than its factorization.

2724245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 4480, while the sum is 26.

The square root of 2724245 is about 1650.5287031736. The cubic root of 2724245 is about 139.6632211189.

The spelling of 2724245 in words is "two million, seven hundred twenty-four thousand, two hundred forty-five".