25730608 has 40 divisors (see below), whose sum is σ = 51402960. Its totient is φ = 12472320.

The previous prime is 25730603. The next prime is 25730609. The reversal of 25730608 is 80603752.

It is a self number, because there is not a number n which added to its sum of digits gives 25730608.

It is not an unprimeable number, because it can be changed into a prime (25730603) 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, 91428 + ... + 91708.

It is an arithmetic number, because the mean of its divisors is an integer number (1285074).

Almost surely, 2^25730608 is an apocalyptic number.

It is an amenable number.

25730608 is a deficient number, since it is larger than the sum of its proper divisors (25672352).

25730608 is a wasteful number, since it uses less digits than its factorization.

25730608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 25730608 is about 5072.5346721338. The cubic root of 25730608 is about 295.2228824099. Note that the first 3 decimals are identical.

The spelling of 25730608 in words is "twenty-five million, seven hundred thirty thousand, six hundred eight".