25722752 has 32 divisors (see below), whose sum is σ = 55906200. Its totient is φ = 11691520.

The previous prime is 25722743. The next prime is 25722769.

25722752 is nontrivially palindromic in base 10.

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

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7727 + ... + 10542.

Almost surely, 2^25722752 is an apocalyptic number.

25722752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25722752 is an abundant number, since it is smaller than the sum of its proper divisors (30183448).

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

25722752 is a wasteful number, since it uses less digits than its factorization.

25722752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294 (or 18282 counting only the distinct ones).

The product of its digits is 19600, while the sum is 32.

The square root of 25722752 is about 5071.7602466994. The cubic root of 25722752 is about 295.1928337995.

The spelling of 25722752 in words is "twenty-five million, seven hundred twenty-two thousand, seven hundred fifty-two".