107725919 has 12 divisors (see below), whose sum is σ = 124126704. Its totient is φ = 91582464.

The previous prime is 107725913. The next prime is 107725921. The reversal of 107725919 is 919527701.

It is a happy number.

It is not a de Polignac number, because 107725919 - 2⁴ = 107725903 is a prime.

It is a super-2 number, since 2×107725919² = 23209747248789122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107725913) 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, 419039 + ... + 419295.

It is an arithmetic number, because the mean of its divisors is an integer number (10343892).

Almost surely, 2^107725919 is an apocalyptic number.

107725919 is a deficient number, since it is larger than the sum of its proper divisors (16400785).

107725919 is an frugal number, since it uses more digits than its factorization.

107725919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 107725919 is about 10379.1097402427. The cubic root of 107725919 is about 475.8171257467.

The spelling of 107725919 in words is "one hundred seven million, seven hundred twenty-five thousand, nine hundred nineteen".