75755946021 has 8 divisors (see below), whose sum is σ = 115437632064. Its totient is φ = 43289112000.

The previous prime is 75755945981. The next prime is 75755946043. The reversal of 75755946021 is 12064955757.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75755946021 - 2⁶ = 75755945957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75755941021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803712980 + ... + 1803713021.

It is an arithmetic number, because the mean of its divisors is an integer number (14429704008).

Almost surely, 2^75755946021 is an apocalyptic number.

It is an amenable number.

75755946021 is a deficient number, since it is larger than the sum of its proper divisors (39681686043).

75755946021 is a wasteful number, since it uses less digits than its factorization.

75755946021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607426011.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 75755946021 in words is "seventy-five billion, seven hundred fifty-five million, nine hundred forty-six thousand, twenty-one".