75436 has 6 divisors (see below), whose sum is σ = 132020. Its totient is φ = 37716.

The previous prime is 75431. The next prime is 75437. The reversal of 75436 is 63457.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 75436.

It is not an unprimeable number, because it can be changed into a prime (75431) by changing a digit.

75436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9426 + ... + 9433.

2⁷⁵⁴³⁶ is an apocalyptic number.

It is an amenable number.

75436 is a deficient number, since it is larger than the sum of its proper divisors (56584).

75436 is a wasteful number, since it uses less digits than its factorization.

75436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18863 (or 18861 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 75436 is about 274.6561486659. The cubic root of 75436 is about 42.2531946746.

The spelling of 75436 in words is "seventy-five thousand, four hundred thirty-six".