2501728 has 12 divisors (see below), whose sum is σ = 4925340. Its totient is φ = 1250848.

The previous prime is 2501699. The next prime is 2501761. The reversal of 2501728 is 8271052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39058 + ... + 39121.

It is an arithmetic number, because the mean of its divisors is an integer number (410445).

2^2501728 is an apocalyptic number.

It is an amenable number.

2501728 is a deficient number, since it is larger than the sum of its proper divisors (2423612).

2501728 is an equidigital number, since it uses as much as digits as its factorization.

2501728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78189 (or 78181 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2501728 is about 1581.6851772714. The cubic root of 2501728 is about 135.7521437188.

The spelling of 2501728 in words is "two million, five hundred one thousand, seven hundred twenty-eight".