18725006 has 8 divisors (see below), whose sum is σ = 28617624. Its totient is φ = 9185800.

The previous prime is 18724991. The next prime is 18725017. The reversal of 18725006 is 60052781.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18725006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88220 + ... + 88431.

It is an arithmetic number, because the mean of its divisors is an integer number (3577203).

Almost surely, 2^18725006 is an apocalyptic number.

18725006 is a deficient number, since it is larger than the sum of its proper divisors (9892618).

18725006 is a wasteful number, since it uses less digits than its factorization.

18725006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176706.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18725006 is about 4327.2399979664. The cubic root of 18725006 is about 265.5465449682.

Adding to 18725006 its reverse (60052781), we get a palindrome (78777787).

The spelling of 18725006 in words is "eighteen million, seven hundred twenty-five thousand, six".