75129190 has 8 divisors (see below), whose sum is σ = 135232560. Its totient is φ = 30051672.

The previous prime is 75129181. The next prime is 75129199. The reversal of 75129190 is 9192157.

It is an interprime number because it is at equal distance from previous prime (75129181) and next prime (75129199).

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

It is a super-2 number, since 2×75129190² = 11288790380112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75129199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756450 + ... + 3756469.

It is an arithmetic number, because the mean of its divisors is an integer number (16904070).

Almost surely, 2^75129190 is an apocalyptic number.

75129190 is a deficient number, since it is larger than the sum of its proper divisors (60103370).

75129190 is a wasteful number, since it uses less digits than its factorization.

75129190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512926.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 75129190 is about 8667.7096167327. The cubic root of 75129190 is about 421.9583338990.

The spelling of 75129190 in words is "seventy-five million, one hundred twenty-nine thousand, one hundred ninety".