25726432 has 24 divisors (see below), whose sum is σ = 50769936. Its totient is φ = 12832512.

The previous prime is 25726411. The next prime is 25726447. The reversal of 25726432 is 23462752.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25726394 and 25726403.

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, 19093 + ... + 20395.

It is an arithmetic number, because the mean of its divisors is an integer number (2115414).

Almost surely, 2^25726432 is an apocalyptic number.

It is an amenable number.

25726432 is a deficient number, since it is larger than the sum of its proper divisors (25043504).

25726432 is a wasteful number, since it uses less digits than its factorization.

25726432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1922 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 25726432 is about 5072.1230268991. The cubic root of 25726432 is about 295.2069102849.

The spelling of 25726432 in words is "twenty-five million, seven hundred twenty-six thousand, four hundred thirty-two".