25716769 has 8 divisors (see below), whose sum is σ = 27749120. Its totient is φ = 23692176.

The previous prime is 25716749. The next prime is 25716773. The reversal of 25716769 is 96761752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25716769 - 2⁷ = 25716641 is a prime.

It is a super-2 number, since 2×25716769² = 1322704415598722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25716749) 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, 6262 + ... + 9520.

It is an arithmetic number, because the mean of its divisors is an integer number (3468640).

Almost surely, 2^25716769 is an apocalyptic number.

It is an amenable number.

25716769 is a deficient number, since it is larger than the sum of its proper divisors (2032351).

25716769 is a wasteful number, since it uses less digits than its factorization.

25716769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879.

The product of its digits is 158760, while the sum is 43.

The square root of 25716769 is about 5071.1703777333. The cubic root of 25716769 is about 295.1699451693.

The spelling of 25716769 in words is "twenty-five million, seven hundred sixteen thousand, seven hundred sixty-nine".