25728674 has 8 divisors (see below), whose sum is σ = 40271040. Its totient is φ = 12304996.

The previous prime is 25728673. The next prime is 25728683. The reversal of 25728674 is 47682752.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25728673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279614 + ... + 279705.

It is an arithmetic number, because the mean of its divisors is an integer number (5033880).

Almost surely, 2^25728674 is an apocalyptic number.

25728674 is a deficient number, since it is larger than the sum of its proper divisors (14542366).

25728674 is a wasteful number, since it uses less digits than its factorization.

25728674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559344.

The product of its digits is 188160, while the sum is 41.

The square root of 25728674 is about 5072.3440340734. The cubic root of 25728674 is about 295.2154855726.

The spelling of 25728674 in words is "twenty-five million, seven hundred twenty-eight thousand, six hundred seventy-four".