75129263 has 12 divisors (see below), whose sum is σ = 83247360. Its totient is φ = 67747680.

The previous prime is 75129251. The next prime is 75129269. The reversal of 75129263 is 36292157.

It is not a de Polignac number, because 75129263 - 2⁶ = 75129199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75129269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12923 + ... + 17811.

It is an arithmetic number, because the mean of its divisors is an integer number (6937280).

Almost surely, 2^75129263 is an apocalyptic number.

75129263 is a deficient number, since it is larger than the sum of its proper divisors (8118097).

75129263 is a wasteful number, since it uses less digits than its factorization.

75129263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5027 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 75129263 is about 8667.7138277634. The cubic root of 75129263 is about 421.9584705656.

The spelling of 75129263 in words is "seventy-five million, one hundred twenty-nine thousand, two hundred sixty-three".