107725509 has 12 divisors (see below), whose sum is σ = 155746656. Its totient is φ = 71750952.

The previous prime is 107725507. The next prime is 107725529. The reversal of 107725509 is 905527701.

It is not a de Polignac number, because 107725509 - 2¹ = 107725507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107725507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6114 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (12978888).

Almost surely, 2^107725509 is an apocalyptic number.

It is an amenable number.

107725509 is a deficient number, since it is larger than the sum of its proper divisors (48021147).

107725509 is a wasteful number, since it uses less digits than its factorization.

107725509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016 (or 11013 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 107725509 is about 10379.0899890116. The cubic root of 107725509 is about 475.8165220997.

The spelling of 107725509 in words is "one hundred seven million, seven hundred twenty-five thousand, five hundred nine".