8725442 has 16 divisors (see below), whose sum is σ = 14323392. Its totient is φ = 3953520.

The previous prime is 8725429. The next prime is 8725459. The reversal of 8725442 is 2445278.

It is a super-2 number, since 2×8725442² = 152266676190728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8725399 and 8725408.

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, 13163 + ... + 13809.

It is an arithmetic number, because the mean of its divisors is an integer number (895212).

Almost surely, 2^8725442 is an apocalyptic number.

8725442 is a deficient number, since it is larger than the sum of its proper divisors (5597950).

8725442 is a wasteful number, since it uses less digits than its factorization.

8725442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its digits is 17920, while the sum is 32.

The square root of 8725442 is about 2953.8859151971. The cubic root of 8725442 is about 205.8713024017.

The spelling of 8725442 in words is "eight million, seven hundred twenty-five thousand, four hundred forty-two".