187072247243725 has 12 divisors (see below), whose sum is σ = 234097747930420. Its totient is φ = 148284790473600.

The previous prime is 187072247243669. The next prime is 187072247243957. The reversal of 187072247243725 is 527342742270781.

It can be written as a sum of positive squares in 6 ways, for example, as 20409595219204 + 166662652024521 = 4517698^2 + 12909789^2 .

It is not a de Polignac number, because 187072247243725 - 2²¹ = 187072245146573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34325180256 + ... + 34325185705.

Almost surely, 2^{187072247243725} is an apocalyptic number.

It is an amenable number.

187072247243725 is a deficient number, since it is larger than the sum of its proper divisors (47025500686695).

187072247243725 is a wasteful number, since it uses less digits than its factorization.

187072247243725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68650366080 (or 68650366075 counting only the distinct ones).

The product of its (nonzero) digits is 73758720, while the sum is 61.

The spelling of 187072247243725 in words is "one hundred eighty-seven trillion, seventy-two billion, two hundred forty-seven million, two hundred forty-three thousand, seven hundred twenty-five".