187325973 has 16 divisors (see below), whose sum is σ = 283426560. Its totient is φ = 122226048.

The previous prime is 187325953. The next prime is 187325987. The reversal of 187325973 is 379523781.

It is a happy number.

187325973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 187325973 - 2⁹ = 187325461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187325953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72540 + ... + 75077.

It is an arithmetic number, because the mean of its divisors is an integer number (17714160).

Almost surely, 2^187325973 is an apocalyptic number.

It is an amenable number.

187325973 is a deficient number, since it is larger than the sum of its proper divisors (96100587).

187325973 is a wasteful number, since it uses less digits than its factorization.

187325973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147673 (or 147667 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 187325973 is about 13686.7078948884. The cubic root of 187325973 is about 572.1799898549.

The spelling of 187325973 in words is "one hundred eighty-seven million, three hundred twenty-five thousand, nine hundred seventy-three".