25716770 has 16 divisors (see below), whose sum is σ = 46526400. Its totient is φ = 10234224.

The previous prime is 25716749. The next prime is 25716773. The reversal of 25716770 is 7761752.

It is a super-2 number, since 2×25716770² = 1322704518465800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25716770.

It is not an unprimeable number, because it can be changed into a prime (25716773) 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, 4472 + ... + 8451.

It is an arithmetic number, because the mean of its divisors is an integer number (2907900).

Almost surely, 2^25716770 is an apocalyptic number.

25716770 is a deficient number, since it is larger than the sum of its proper divisors (20809630).

25716770 is a wasteful number, since it uses less digits than its factorization.

25716770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 25716770 is about 5071.1704763299. The cubic root of 25716770 is about 295.1699489953.

The spelling of 25716770 in words is "twenty-five million, seven hundred sixteen thousand, seven hundred seventy".