73044987906 has 24 divisors (see below), whose sum is σ = 160578239472. Its totient is φ = 22134844600.

The previous prime is 73044987871. The next prime is 73044987997. The reversal of 73044987906 is 60978944037.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50305740 + ... + 50307191.

It is an arithmetic number, because the mean of its divisors is an integer number (6690759978).

Almost surely, 2^73044987906 is an apocalyptic number.

73044987906 is an abundant number, since it is smaller than the sum of its proper divisors (87533251566).

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

73044987906 is a wasteful number, since it uses less digits than its factorization.

73044987906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100612958 (or 100612947 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 73044987906 in words is "seventy-three billion, forty-four million, nine hundred eighty-seven thousand, nine hundred six".