25011072 has 64 divisors (see below), whose sum is σ = 73827600. Its totient is φ = 8335872.

The previous prime is 25011067. The next prime is 25011073. The reversal of 25011072 is 27011052.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25011073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163 + ... + 7074.

Almost surely, 2^25011072 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 25011072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36913800).

25011072 is an abundant number, since it is smaller than the sum of its proper divisors (48816528).

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

25011072 is an equidigital number, since it uses as much as digits as its factorization.

25011072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 25011072 is about 5001.1070774380. The cubic root of 25011072 is about 292.4449337496. Note that the first 3 decimals are identical.

The spelling of 25011072 in words is "twenty-five million, eleven thousand, seventy-two".