75542 has 8 divisors (see below), whose sum is σ = 114696. Its totient is φ = 37312.

The previous prime is 75541. The next prime is 75553. The reversal of 75542 is 24557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 9.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75541) 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, 38 + ... + 390.

It is an arithmetic number, because the mean of its divisors is an integer number (14337).

2⁷⁵⁵⁴² is an apocalyptic number.

75542 is a deficient number, since it is larger than the sum of its proper divisors (39154).

75542 is a wasteful number, since it uses less digits than its factorization.

75542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 1400, while the sum is 23.

The square root of 75542 is about 274.8490494799. The cubic root of 75542 is about 42.2729763104.

It can be divided in two parts, 755 and 42, that added together give a palindrome (797).

The spelling of 75542 in words is "seventy-five thousand, five hundred forty-two".