25714320 has 80 divisors (see below), whose sum is σ = 80203200. Its totient is φ = 6815232.

The previous prime is 25714309. The next prime is 25714327. The reversal of 25714320 is 2341752.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×25714320² = 1322452506124800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25714327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73506 + ... + 73854.

It is an arithmetic number, because the mean of its divisors is an integer number (1002540).

Almost surely, 2^25714320 is an apocalyptic number.

25714320 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 25714320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40101600).

25714320 is an abundant number, since it is smaller than the sum of its proper divisors (54488880).

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

25714320 is a wasteful number, since it uses less digits than its factorization.

25714320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25714320 is about 5070.9289089870. The cubic root of 25714320 is about 295.1605752242.

The spelling of 25714320 in words is "twenty-five million, seven hundred fourteen thousand, three hundred twenty".