75019794688 has 36 divisors (see below), whose sum is σ = 154910232540. Its totient is φ = 36216449024.

The previous prime is 75019794677. The next prime is 75019794691. The reversal of 75019794688 is 88649791057.

It can be written as a sum of positive squares in 2 ways, for example, as 33521215744 + 41498578944 = 183088^2 + 203712^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5045095 + ... + 5059942.

It is an arithmetic number, because the mean of its divisors is an integer number (4303062015).

Almost surely, 2^75019794688 is an apocalyptic number.

It is an amenable number.

75019794688 is an abundant number, since it is smaller than the sum of its proper divisors (79890437852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75019794688 is a wasteful number, since it uses less digits than its factorization.

75019794688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105082 (or 10105068 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 75019794688 in words is "seventy-five billion, nineteen million, seven hundred ninety-four thousand, six hundred eighty-eight".