25426742 has 16 divisors (see below), whose sum is σ = 41686272. Its totient is φ = 11535720.

The previous prime is 25426729. The next prime is 25426759. The reversal of 25426742 is 24762452.

It is a junction number, because it is equal to n+sod(n) for n = 25426699 and 25426708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18863 + ... + 20165.

It is an arithmetic number, because the mean of its divisors is an integer number (2605392).

Almost surely, 2^25426742 is an apocalyptic number.

25426742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25426742 is a deficient number, since it is larger than the sum of its proper divisors (16259530).

25426742 is a wasteful number, since it uses less digits than its factorization.

25426742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its digits is 26880, while the sum is 32.

The square root of 25426742 is about 5042.4936291482. The cubic root of 25426742 is about 294.0561310138.

The spelling of 25426742 in words is "twenty-five million, four hundred twenty-six thousand, seven hundred forty-two".