75947 has 4 divisors (see below), whose sum is σ = 76560. Its totient is φ = 75336.

The previous prime is 75941. The next prime is 75967. The reversal of 75947 is 74957.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74957 = 23 ⋅3259.

It is a cyclic number.

It is not a de Polignac number, because 75947 - 2⁴ = 75931 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (75941) 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, 47 + ... + 392.

It is an arithmetic number, because the mean of its divisors is an integer number (19140).

2⁷⁵⁹⁴⁷ is an apocalyptic number.

75947 is a deficient number, since it is larger than the sum of its proper divisors (613).

75947 is a wasteful number, since it uses less digits than its factorization.

75947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 8820, while the sum is 32.

The square root of 75947 is about 275.5848326741. The cubic root of 75947 is about 42.3483871208.

Subtracting from 75947 its reverse (74957), we obtain a triangular number (990 = T₄₄).

The spelling of 75947 in words is "seventy-five thousand, nine hundred forty-seven".