25764142 has 8 divisors (see below), whose sum is σ = 38684736. Its totient is φ = 12869232.

The previous prime is 25764139. The next prime is 25764157. The reversal of 25764142 is 24146752.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678 + ... + 8065.

It is an arithmetic number, because the mean of its divisors is an integer number (4835592).

Almost surely, 2^25764142 is an apocalyptic number.

25764142 is a deficient number, since it is larger than the sum of its proper divisors (12920594).

25764142 is a wasteful number, since it uses less digits than its factorization.

25764142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12842.

The product of its digits is 13440, while the sum is 31.

The square root of 25764142 is about 5075.8390439414. The cubic root of 25764142 is about 295.3510787128.

The spelling of 25764142 in words is "twenty-five million, seven hundred sixty-four thousand, one hundred forty-two".