25765670 has 24 divisors (see below), whose sum is σ = 53951184. Its totient is φ = 8833776.

The previous prime is 25765669. The next prime is 25765673. The reversal of 25765670 is 7656752.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25765673) 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 11 ways as a sum of consecutive naturals, for example, 25802 + ... + 26781.

It is an arithmetic number, because the mean of its divisors is an integer number (2247966).

Almost surely, 2^25765670 is an apocalyptic number.

25765670 is an abundant number, since it is smaller than the sum of its proper divisors (28185514).

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

25765670 is a wasteful number, since it uses less digits than its factorization.

25765670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52604 (or 52597 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 25765670 is about 5075.9895586969. The cubic root of 25765670 is about 295.3569174159.

The spelling of 25765670 in words is "twenty-five million, seven hundred sixty-five thousand, six hundred seventy".