25766473 has 8 divisors (see below), whose sum is σ = 26044416. Its totient is φ = 25490400.

The previous prime is 25766459. The next prime is 25766483. The reversal of 25766473 is 37466752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25766473 is a prime.

It is a super-2 number, since 2×25766473² = 1327822261719458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25766453) 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, 59568 + ... + 59998.

It is an arithmetic number, because the mean of its divisors is an integer number (3255552).

Almost surely, 2^25766473 is an apocalyptic number.

It is an amenable number.

25766473 is a deficient number, since it is larger than the sum of its proper divisors (277943).

25766473 is a wasteful number, since it uses less digits than its factorization.

25766473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its digits is 211680, while the sum is 40.

The square root of 25766473 is about 5076.0686559581. The cubic root of 25766473 is about 295.3599856994.

The spelling of 25766473 in words is "twenty-five million, seven hundred sixty-six thousand, four hundred seventy-three".