25742976 has 128 divisors (see below), whose sum is σ = 79935360. Its totient is φ = 7188480.

The previous prime is 25742963. The next prime is 25742987. The reversal of 25742976 is 67924752.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163890 + ... + 164046.

It is an arithmetic number, because the mean of its divisors is an integer number (624495).

Almost surely, 2^25742976 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 25742976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39967680).

25742976 is an abundant number, since it is smaller than the sum of its proper divisors (54192384).

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

25742976 is a wasteful number, since it uses less digits than its factorization.

25742976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 230 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 25742976 is about 5073.7536400578. The cubic root of 25742976 is about 295.2701766899.

The spelling of 25742976 in words is "twenty-five million, seven hundred forty-two thousand, nine hundred seventy-six".