25772798 has 8 divisors (see below), whose sum is σ = 39093840. Its totient is φ = 12741520.

The previous prime is 25772783. The next prime is 25772801. The reversal of 25772798 is 89727752.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72218 + ... + 72573.

It is an arithmetic number, because the mean of its divisors is an integer number (4886730).

Almost surely, 2^25772798 is an apocalyptic number.

25772798 is a deficient number, since it is larger than the sum of its proper divisors (13321042).

25772798 is a wasteful number, since it uses less digits than its factorization.

25772798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144882.

The product of its digits is 493920, while the sum is 47.

The square root of 25772798 is about 5076.6916392470. The cubic root of 25772798 is about 295.3841514576.

The spelling of 25772798 in words is "twenty-five million, seven hundred seventy-two thousand, seven hundred ninety-eight".