73751809922 has 30 divisors (see below), whose sum is σ = 129090927843. Its totient is φ = 31599853236.

The previous prime is 73751809921. The next prime is 73751809949. The reversal of 73751809922 is 22990815737.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36875904961 + 36875904961 = 192031^2 + 192031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=192031.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73751809921) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 18817079 + ... + 18820997.

Almost surely, 2^73751809922 is an apocalyptic number.

73751809922 is a deficient number, since it is larger than the sum of its proper divisors (55339117921).

73751809922 is an frugal number, since it uses more digits than its factorization.

73751809922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868 (or 3928 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 73751809922 in words is "seventy-three billion, seven hundred fifty-one million, eight hundred nine thousand, nine hundred twenty-two".