75907 has 4 divisors (see below), whose sum is σ = 81760. Its totient is φ = 70056.

The previous prime is 75883. The next prime is 75913. The reversal of 75907 is 70957.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75907 - 2¹¹ = 73859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (20440).

2⁷⁵⁹⁰⁷ is an apocalyptic number.

75907 is a deficient number, since it is larger than the sum of its proper divisors (5853).

75907 is a wasteful number, since it uses less digits than its factorization.

75907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 75907 is about 275.5122501814. The cubic root of 75907 is about 42.3409510888.

Subtracting from 75907 its reverse (70957), we obtain a triangular number (4950 = T₉₉).

The spelling of 75907 in words is "seventy-five thousand, nine hundred seven".