75434 has 4 divisors (see below), whose sum is σ = 113154. Its totient is φ = 37716.

The previous prime is 75431. The next prime is 75437. The reversal of 75434 is 43457.

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

It is an interprime number because it is at equal distance from previous prime (75431) and next prime (75437).

It can be written as a sum of positive squares in only one way, i.e., 41209 + 34225 = 203^2 + 185^2 .

It is a Curzon number.

It is a plaindrome in base 16.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18857 + ... + 18860.

2⁷⁵⁴³⁴ is an apocalyptic number.

75434 is a deficient number, since it is larger than the sum of its proper divisors (37720).

75434 is a wasteful number, since it uses less digits than its factorization.

75434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37719.

The product of its digits is 1680, while the sum is 23.

The square root of 75434 is about 274.6525077257. The cubic root of 75434 is about 42.2528212581.

Adding to 75434 its sum of digits (23), we get a palindrome (75457).

The spelling of 75434 in words is "seventy-five thousand, four hundred thirty-four".