25703340 has 96 divisors (see below), whose sum is σ = 80080896. Its totient is φ = 6117120.

The previous prime is 25703329. The next prime is 25703347. The reversal of 25703340 is 4330752.

It is a self number, because there is not a number n which added to its sum of digits gives 25703340.

It is not an unprimeable number, because it can be changed into a prime (25703347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23649 + ... + 24711.

It is an arithmetic number, because the mean of its divisors is an integer number (834176).

Almost surely, 2^25703340 is an apocalyptic number.

25703340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25703340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40040448).

25703340 is an abundant number, since it is smaller than the sum of its proper divisors (54377556).

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

25703340 is a wasteful number, since it uses less digits than its factorization.

25703340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 25703340 is about 5069.8461515119. The cubic root of 25703340 is about 295.1185581107.

The spelling of 25703340 in words is "twenty-five million, seven hundred three thousand, three hundred forty".