75494994802 has 4 divisors (see below), whose sum is σ = 113242492206. Its totient is φ = 37747497400.

The previous prime is 75494994781. The next prime is 75494994821. The reversal of 75494994802 is 20849949457.

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., 51769445841 + 23725548961 = 227529^2 + 154031^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18873748699 + ... + 18873748702.

Almost surely, 2^75494994802 is an apocalyptic number.

75494994802 is a deficient number, since it is larger than the sum of its proper divisors (37747497404).

75494994802 is a wasteful number, since it uses less digits than its factorization.

75494994802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37747497403.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 75494994802 in words is "seventy-five billion, four hundred ninety-four million, nine hundred ninety-four thousand, eight hundred two".