43975107 has 72 divisors (see below), whose sum is σ = 77585040. Its totient is φ = 23761920.

The previous prime is 43975093. The next prime is 43975133. The reversal of 43975107 is 70157934.

It is a happy number.

It is not a de Polignac number, because 43975107 - 2⁴ = 43975091 is a prime.

It is a super-2 number, since 2×43975107² = 3867620071322898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43975157) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 829693 + ... + 829745.

It is an arithmetic number, because the mean of its divisors is an integer number (1077570).

Almost surely, 2^43975107 is an apocalyptic number.

43975107 is a deficient number, since it is larger than the sum of its proper divisors (33609933).

43975107 is a wasteful number, since it uses less digits than its factorization.

43975107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 43975107 is about 6631.3729347700. The cubic root of 43975107 is about 352.9682444878.

The spelling of 43975107 in words is "forty-three million, nine hundred seventy-five thousand, one hundred seven".