25776494 has 16 divisors (see below), whose sum is σ = 39972048. Its totient is φ = 12457152.

The previous prime is 25776493. The next prime is 25776503. The reversal of 25776494 is 49467752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25776493) 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, 10994 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (2498253).

Almost surely, 2^25776494 is an apocalyptic number.

25776494 is a deficient number, since it is larger than the sum of its proper divisors (14195554).

25776494 is a wasteful number, since it uses less digits than its factorization.

25776494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its digits is 423360, while the sum is 44.

The square root of 25776494 is about 5077.0556427914. The cubic root of 25776494 is about 295.3982708357.

The spelling of 25776494 in words is "twenty-five million, seven hundred seventy-six thousand, four hundred ninety-four".