73129692137 has 8 divisors (see below), whose sum is σ = 75504855552. Its totient is φ = 70755537600.

The previous prime is 73129692061. The next prime is 73129692151.

73129692137 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73129692137 - 2¹⁶ = 73129626601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73129692637) 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 7 ways as a sum of consecutive naturals, for example, 103493 + ... + 396194.

It is an arithmetic number, because the mean of its divisors is an integer number (9438106944).

Almost surely, 2^73129692137 is an apocalyptic number.

It is an amenable number.

73129692137 is a deficient number, since it is larger than the sum of its proper divisors (2375163415).

73129692137 is a wasteful number, since it uses less digits than its factorization.

73129692137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504439.

The product of its digits is 857304, while the sum is 50.

The spelling of 73129692137 in words is "seventy-three billion, one hundred twenty-nine million, six hundred ninety-two thousand, one hundred thirty-seven".