25942678 has 4 divisors (see below), whose sum is σ = 38914020. Its totient is φ = 12971338.

The previous prime is 25942673. The next prime is 25942681. The reversal of 25942678 is 87624952.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25942673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485668 + ... + 6485671.

It is an arithmetic number, because the mean of its divisors is an integer number (9728505).

Almost surely, 2^25942678 is an apocalyptic number.

25942678 is a deficient number, since it is larger than the sum of its proper divisors (12971342).

25942678 is a wasteful number, since it uses less digits than its factorization.

25942678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12971341.

The product of its digits is 241920, while the sum is 43.

The square root of 25942678 is about 5093.3955275435. The cubic root of 25942678 is about 296.0317335712.

The spelling of 25942678 in words is "twenty-five million, nine hundred forty-two thousand, six hundred seventy-eight".