25934720 has 96 divisors (see below), whose sum is σ = 72209880. Its totient is φ = 8881152.

The previous prime is 25934717. The next prime is 25934723. The reversal of 25934720 is 2743952.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25934717) and next prime (25934723).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25934723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30947 + ... + 31773.

Almost surely, 2^25934720 is an apocalyptic number.

25934720 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 25934720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36104940).

25934720 is an abundant number, since it is smaller than the sum of its proper divisors (46275160).

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

25934720 is an equidigital number, since it uses as much as digits as its factorization.

25934720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 25934720 is about 5092.6142598866. The cubic root of 25934720 is about 296.0014609132.

The spelling of 25934720 in words is "twenty-five million, nine hundred thirty-four thousand, seven hundred twenty".