73765646020 has 96 divisors (see below), whose sum is σ = 173598961536. Its totient is φ = 26097254400.

The previous prime is 73765645957. The next prime is 73765646089. The reversal of 73765646020 is 2064656737.

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 31 ways as a sum of consecutive naturals, for example, 2416050 + ... + 2446390.

It is an arithmetic number, because the mean of its divisors is an integer number (1808322516).

Almost surely, 2^73765646020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73765646020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86799480768).

73765646020 is an abundant number, since it is smaller than the sum of its proper divisors (99833315516).

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

73765646020 is a wasteful number, since it uses less digits than its factorization.

73765646020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30661 (or 30659 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 73765646020 in words is "seventy-three billion, seven hundred sixty-five million, six hundred forty-six thousand, twenty".