73012131044 has 12 divisors (see below), whose sum is σ = 130887601068. Its totient is φ = 35615673600.

The previous prime is 73012131019. The next prime is 73012131083. The reversal of 73012131044 is 44013121037.

It can be written as a sum of positive squares in 2 ways, for example, as 978938944 + 72033192100 = 31288^2 + 268390^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222597797 + ... + 222598124.

It is an arithmetic number, because the mean of its divisors is an integer number (10907300089).

Almost surely, 2^73012131044 is an apocalyptic number.

It is an amenable number.

73012131044 is a deficient number, since it is larger than the sum of its proper divisors (57875470024).

73012131044 is a wasteful number, since it uses less digits than its factorization.

73012131044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445195966 (or 445195964 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 73012131044 in words is "seventy-three billion, twelve million, one hundred thirty-one thousand, forty-four".