25864770 has 16 divisors (see below), whose sum is σ = 62075520. Its totient is φ = 6897264.

The previous prime is 25864733. The next prime is 25864777. The reversal of 25864770 is 7746852.

It is not an unprimeable number, because it can be changed into a prime (25864777) 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, 431050 + ... + 431109.

It is an arithmetic number, because the mean of its divisors is an integer number (3879720).

Almost surely, 2^25864770 is an apocalyptic number.

25864770 is an abundant number, since it is smaller than the sum of its proper divisors (36210750).

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

25864770 is a wasteful number, since it uses less digits than its factorization.

25864770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862169.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 25864770 is about 5085.7418337938. The cubic root of 25864770 is about 295.7351005376.

The spelling of 25864770 in words is "twenty-five million, eight hundred sixty-four thousand, seven hundred seventy".