72316061273 has 8 divisors (see below), whose sum is σ = 72448477440. Its totient is φ = 72183690000.

The previous prime is 72316061267. The next prime is 72316061327. The reversal of 72316061273 is 37216061327.

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 72316061273 - 2²² = 72311866969 is a prime.

It is a super-2 number, since 2×72316061273² (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 (72316061243) 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, 6421898 + ... + 6433148.

It is an arithmetic number, because the mean of its divisors is an integer number (9056059680).

Almost surely, 2^72316061273 is an apocalyptic number.

It is an amenable number.

72316061273 is a deficient number, since it is larger than the sum of its proper divisors (132416167).

72316061273 is a wasteful number, since it uses less digits than its factorization.

72316061273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22447.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 72316061273 in words is "seventy-two billion, three hundred sixteen million, sixty-one thousand, two hundred seventy-three".