18973325 has 24 divisors (see below), whose sum is σ = 27081600. Its totient is φ = 12916800.

The previous prime is 18973307. The next prime is 18973327. The reversal of 18973325 is 52337981.

It is not a de Polignac number, because 18973325 - 2⁸ = 18973069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18973327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31376 + ... + 31974.

It is an arithmetic number, because the mean of its divisors is an integer number (1128400).

Almost surely, 2^18973325 is an apocalyptic number.

It is an amenable number.

18973325 is a deficient number, since it is larger than the sum of its proper divisors (8108275).

18973325 is a wasteful number, since it uses less digits than its factorization.

18973325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 792 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 18973325 is about 4355.8380364747. The cubic root of 18973325 is about 266.7152298708.

The spelling of 18973325 in words is "eighteen million, nine hundred seventy-three thousand, three hundred twenty-five".