2500736 has 32 divisors (see below), whose sum is σ = 5695680. Its totient is φ = 1071360.

The previous prime is 2500733. The next prime is 2500741. The reversal of 2500736 is 6370052.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2500733) 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, 500 + ... + 2291.

It is an arithmetic number, because the mean of its divisors is an integer number (177990).

2^2500736 is an apocalyptic number.

It is an amenable number.

2500736 is an abundant number, since it is smaller than the sum of its proper divisors (3194944).

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

2500736 is an equidigital number, since it uses as much as digits as its factorization.

2500736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 2500736 is about 1581.3715565926. The cubic root of 2500736 is about 135.7341982654.

Adding to 2500736 its reverse (6370052), we get a palindrome (8870788).

The spelling of 2500736 in words is "two million, five hundred thousand, seven hundred thirty-six".