75384142 has 4 divisors (see below), whose sum is σ = 113076216. Its totient is φ = 37692070.

The previous prime is 75384131. The next prime is 75384143. The reversal of 75384142 is 24148357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24148357 = 349 ⋅69193.

It is a junction number, because it is equal to n+sod(n) for n = 75384098 and 75384107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75384143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18846034 + ... + 18846037.

It is an arithmetic number, because the mean of its divisors is an integer number (28269054).

Almost surely, 2^75384142 is an apocalyptic number.

75384142 is a deficient number, since it is larger than the sum of its proper divisors (37692074).

75384142 is a wasteful number, since it uses less digits than its factorization.

75384142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37692073.

The product of its digits is 26880, while the sum is 34.

The square root of 75384142 is about 8682.4041601391. The cubic root of 75384142 is about 422.4351022479.

The spelling of 75384142 in words is "seventy-five million, three hundred eighty-four thousand, one hundred forty-two".