73112421137 has 8 divisors (see below), whose sum is σ = 87189968256. Its totient is φ = 59943102912.

The previous prime is 73112421089. The next prime is 73112421139.

73112421137 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 73112421137 - 2¹⁰ = 73112420113 is a prime.

It is a super-2 number, since 2×73112421137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73112421139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227057048 + ... + 227057369.

It is an arithmetic number, because the mean of its divisors is an integer number (10898746032).

Almost surely, 2^73112421137 is an apocalyptic number.

It is an amenable number.

73112421137 is a deficient number, since it is larger than the sum of its proper divisors (14077547119).

73112421137 is a wasteful number, since it uses less digits than its factorization.

73112421137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454114447.

The product of its digits is 7056, while the sum is 32.

The spelling of 73112421137 in words is "seventy-three billion, one hundred twelve million, four hundred twenty-one thousand, one hundred thirty-seven".