75302267042 has 18 divisors (see below), whose sum is σ = 117000140049. Its totient is φ = 36347385480.

The previous prime is 75302266981. The next prime is 75302267069. The reversal of 75302267042 is 24076220357.

It can be written as a sum of positive squares in 2 ways, for example, as 75257497561 + 44769481 = 274331^2 + 6691^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=194039.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75302266987 and 75302267005.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11250917 + ... + 11257607.

Almost surely, 2^75302267042 is an apocalyptic number.

75302267042 is a deficient number, since it is larger than the sum of its proper divisors (41697873007).

75302267042 is an frugal number, since it uses more digits than its factorization.

75302267042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 75302267042 its reverse (24076220357), we get a palindrome (99378487399).

The spelling of 75302267042 in words is "seventy-five billion, three hundred two million, two hundred sixty-seven thousand, forty-two".