2497728 has 28 divisors (see below), whose sum is σ = 6609080. Its totient is φ = 832512.

The previous prime is 2497727. The next prime is 2497739. The reversal of 2497728 is 8277942.

It is not an unprimeable number, because it can be changed into a prime (2497723) 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, 6313 + ... + 6696.

2^2497728 is an apocalyptic number.

It is an amenable number.

2497728 is an abundant number, since it is smaller than the sum of its proper divisors (4111352).

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

2497728 is a wasteful number, since it uses less digits than its factorization.

2497728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13024 (or 13014 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 2497728 is about 1580.4201972893. The cubic root of 2497728 is about 135.6797539897.

The spelling of 2497728 in words is "two million, four hundred ninety-seven thousand, seven hundred twenty-eight".