2724642 has 24 divisors (see below), whose sum is σ = 5938140. Its totient is φ = 902880.

The previous prime is 2724629. The next prime is 2724653. The reversal of 2724642 is 2464272.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2277081 + 447561 = 1509^2 + 669^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3792 + ... + 4452.

2^2724642 is an apocalyptic number.

2724642 is an abundant number, since it is smaller than the sum of its proper divisors (3213498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2724642 is a wasteful number, since it uses less digits than its factorization.

2724642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 895 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 2724642 is about 1650.6489632869. The cubic root of 2724642 is about 139.6700050909.

The spelling of 2724642 in words is "two million, seven hundred twenty-four thousand, six hundred forty-two".