25607472 has 60 divisors (see below), whose sum is σ = 72729720. Its totient is φ = 7758080.

The previous prime is 25607471. The next prime is 25607473. The reversal of 25607472 is 27470652.

It is an interprime number because it is at equal distance from previous prime (25607471) and next prime (25607473).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25607471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604 + ... + 8012.

It is an arithmetic number, because the mean of its divisors is an integer number (1212162).

Almost surely, 2^25607472 is an apocalyptic number.

25607472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25607472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36364860).

25607472 is an abundant number, since it is smaller than the sum of its proper divisors (47122248).

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

25607472 is a wasteful number, since it uses less digits than its factorization.

25607472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 25607472 is about 5060.3825942314. The cubic root of 25607472 is about 294.7511911471.

The spelling of 25607472 in words is "twenty-five million, six hundred seven thousand, four hundred seventy-two".