75752780752 has 40 divisors (see below), whose sum is σ = 160200014400. Its totient is φ = 34414548480.

The previous prime is 75752780723. The next prime is 75752780767. The reversal of 75752780752 is 25708725757.

It is a junction number, because it is equal to n+sod(n) for n = 75752780693 and 75752780702.

It is a congruent number.

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, 214749 + ... + 444547.

It is an arithmetic number, because the mean of its divisors is an integer number (4005000360).

Almost surely, 2^75752780752 is an apocalyptic number.

It is an amenable number.

75752780752 is an abundant number, since it is smaller than the sum of its proper divisors (84447233648).

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

75752780752 is a wasteful number, since it uses less digits than its factorization.

75752780752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231691 (or 231685 counting only the distinct ones).

The product of its (nonzero) digits is 9604000, while the sum is 55.

The spelling of 75752780752 in words is "seventy-five billion, seven hundred fifty-two million, seven hundred eighty thousand, seven hundred fifty-two".