72607073273 has 4 divisors (see below), whose sum is σ = 82979512320. Its totient is φ = 62234634228.

The previous prime is 72607073267. The next prime is 72607073281. The reversal of 72607073273 is 37237070627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37237070627 = 577 ⋅64535651.

It is a cyclic number.

It is not a de Polignac number, because 72607073273 - 2¹⁴ = 72607056889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72607072273) 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 3 ways as a sum of consecutive naturals, for example, 5186219513 + ... + 5186219526.

It is an arithmetic number, because the mean of its divisors is an integer number (20744878080).

Almost surely, 2^72607073273 is an apocalyptic number.

It is an amenable number.

72607073273 is a deficient number, since it is larger than the sum of its proper divisors (10372439047).

72607073273 is a wasteful number, since it uses less digits than its factorization.

72607073273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10372439046.

The product of its (nonzero) digits is 518616, while the sum is 44.

The spelling of 72607073273 in words is "seventy-two billion, six hundred seven million, seventy-three thousand, two hundred seventy-three".