18370625 has 80 divisors (see below), whose sum is σ = 31489920. Its totient is φ = 10368000.

The previous prime is 18370621. The next prime is 18370633. The reversal of 18370625 is 52607381.

It is a happy number.

It is not a de Polignac number, because 18370625 - 2² = 18370621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18370591 and 18370600.

It is not an unprimeable number, because it can be changed into a prime (18370621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 966866 + ... + 966884.

It is an arithmetic number, because the mean of its divisors is an integer number (393624).

Almost surely, 2^18370625 is an apocalyptic number.

It is an amenable number.

18370625 is a deficient number, since it is larger than the sum of its proper divisors (13119295).

18370625 is a wasteful number, since it uses less digits than its factorization.

18370625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 18370625 is about 4286.0967091282. The cubic root of 18370625 is about 263.8606597484.

The spelling of 18370625 in words is "eighteen million, three hundred seventy thousand, six hundred twenty-five".