75034138 has 4 divisors (see below), whose sum is σ = 112551210. Its totient is φ = 37517068.

The previous prime is 75034133. The next prime is 75034139. The reversal of 75034138 is 83143057.

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

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 37051569 = 6163^2 + 6087^2 .

It is not an unprimeable number, because it can be changed into a prime (75034133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18758533 + ... + 18758536.

Almost surely, 2^75034138 is an apocalyptic number.

75034138 is a deficient number, since it is larger than the sum of its proper divisors (37517072).

75034138 is a wasteful number, since it uses less digits than its factorization.

75034138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37517071.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 75034138 is about 8662.2247719625. The cubic root of 75034138 is about 421.7803076216.

The spelling of 75034138 in words is "seventy-five million, thirty-four thousand, one hundred thirty-eight".