75742833760840 has 32 divisors (see below), whose sum is σ = 170421630195960. Its totient is φ = 30297088307200.

The previous prime is 75742833760831. The next prime is 75742833760903. The reversal of 75742833760840 is 4806733824757.

It can be written as a sum of positive squares in 4 ways, for example, as 70189241921604 + 5553591839236 = 8377902^2 + 2356606^2 .

It is a super-2 number, since 2×75742833760840² (a number of 29 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 42897870 + ... + 44628610.

Almost surely, 2^{75742833760840} is an apocalyptic number.

It is an amenable number.

75742833760840 is an abundant number, since it is smaller than the sum of its proper divisors (94678796435120).

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

75742833760840 is a wasteful number, since it uses less digits than its factorization.

75742833760840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824833 (or 2824829 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 64.

The spelling of 75742833760840 in words is "seventy-five trillion, seven hundred forty-two billion, eight hundred thirty-three million, seven hundred sixty thousand, eight hundred forty".