25722576 has 80 divisors (see below), whose sum is σ = 80560320. Its totient is φ = 7793280.

The previous prime is 25722569. The next prime is 25722577. The reversal of 25722576 is 67522752.

25722576 = 75² + 76² + ... + 426².

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25722576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25722577) 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, 2046 + ... + 7458.

It is an arithmetic number, because the mean of its divisors is an integer number (1007004).

Almost surely, 2^25722576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25722576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40280160).

25722576 is an abundant number, since it is smaller than the sum of its proper divisors (54837744).

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

25722576 is a wasteful number, since it uses less digits than its factorization.

25722576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441 (or 5429 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 25722576 is about 5071.7428956918. The cubic root of 25722576 is about 295.1921605427.

The spelling of 25722576 in words is "twenty-five million, seven hundred twenty-two thousand, five hundred seventy-six".