75090378129 has 16 divisors (see below), whose sum is σ = 107851128000. Its totient is φ = 46197014976.

The previous prime is 75090378061. The next prime is 75090378137. The reversal of 75090378129 is 92187309057.

It is not a de Polignac number, because 75090378129 - 2⁷ = 75090378001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75090378229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111654 + ... + 403295.

It is an arithmetic number, because the mean of its divisors is an integer number (6740695500).

Almost surely, 2^75090378129 is an apocalyptic number.

It is an amenable number.

75090378129 is a deficient number, since it is larger than the sum of its proper divisors (32760749871).

75090378129 is a wasteful number, since it uses less digits than its factorization.

75090378129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518704.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 75090378129 in words is "seventy-five billion, ninety million, three hundred seventy-eight thousand, one hundred twenty-nine".