75321761420 has 12 divisors (see below), whose sum is σ = 158175699024. Its totient is φ = 30128704560.

The previous prime is 75321761419. The next prime is 75321761447. The reversal of 75321761420 is 2416712357.

It is a super-2 number, since 2×75321761420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883044016 + ... + 1883044055.

It is an arithmetic number, because the mean of its divisors is an integer number (13181308252).

Almost surely, 2^75321761420 is an apocalyptic number.

It is an amenable number.

75321761420 is an abundant number, since it is smaller than the sum of its proper divisors (82853937604).

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

75321761420 is a wasteful number, since it uses less digits than its factorization.

75321761420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766088080 (or 3766088078 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 75321761420 in words is "seventy-five billion, three hundred twenty-one million, seven hundred sixty-one thousand, four hundred twenty".