73443756113 has 32 divisors (see below), whose sum is σ = 93349036032. Its totient is φ = 56210241600.

The previous prime is 73443756109. The next prime is 73443756119. The reversal of 73443756113 is 31165734437.

It is not a de Polignac number, because 73443756113 - 2² = 73443756109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73443756119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8918708 + ... + 8926938.

It is an arithmetic number, because the mean of its divisors is an integer number (2917157376).

Almost surely, 2^73443756113 is an apocalyptic number.

It is an amenable number.

73443756113 is a deficient number, since it is larger than the sum of its proper divisors (19905279919).

73443756113 is a wasteful number, since it uses less digits than its factorization.

73443756113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445.

The product of its digits is 635040, while the sum is 44.

The spelling of 73443756113 in words is "seventy-three billion, four hundred forty-three million, seven hundred fifty-six thousand, one hundred thirteen".