25472928 has 48 divisors (see below), whose sum is σ = 72013536. Its totient is φ = 7837440.

The previous prime is 25472927. The next prime is 25472959. The reversal of 25472928 is 82927452.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25472921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8958 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (1500282).

Almost surely, 2^25472928 is an apocalyptic number.

It is an amenable number.

25472928 is an abundant number, since it is smaller than the sum of its proper divisors (46540608).

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

25472928 is a wasteful number, since it uses less digits than its factorization.

25472928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437 (or 20429 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 25472928 is about 5047.0712299313. The cubic root of 25472928 is about 294.2340678436.

The spelling of 25472928 in words is "twenty-five million, four hundred seventy-two thousand, nine hundred twenty-eight".