75432542 has 8 divisors (see below), whose sum is σ = 113718000. Its totient is φ = 37526544.

The previous prime is 75432523. The next prime is 75432547. The reversal of 75432542 is 24523457.

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

It is a junction number, because it is equal to n+sod(n) for n = 75432499 and 75432508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75432547) 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, 94367 + ... + 95162.

It is an arithmetic number, because the mean of its divisors is an integer number (14214750).

Almost surely, 2^75432542 is an apocalyptic number.

75432542 is a deficient number, since it is larger than the sum of its proper divisors (38285458).

75432542 is a wasteful number, since it uses less digits than its factorization.

75432542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189730.

The product of its digits is 33600, while the sum is 32.

The square root of 75432542 is about 8685.1909593284. The cubic root of 75432542 is about 422.5254903333.

Adding to 75432542 its reverse (24523457), we get a palindrome (99955999).

The spelling of 75432542 in words is "seventy-five million, four hundred thirty-two thousand, five hundred forty-two".