72242566273 has 8 divisors (see below), whose sum is σ = 72489070368. Its totient is φ = 71996162784.

The previous prime is 72242566271. The next prime is 72242566303. The reversal of 72242566273 is 37266524227.

It is a happy number.

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 72242566273 - 2¹ = 72242566271 is a prime.

It is a super-2 number, since 2×72242566273² (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 (72242566271) 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, 1588590 + ... + 1633432.

It is an arithmetic number, because the mean of its divisors is an integer number (9061133796).

Almost surely, 2^72242566273 is an apocalyptic number.

It is an amenable number.

72242566273 is a deficient number, since it is larger than the sum of its proper divisors (246504095).

72242566273 is a wasteful number, since it uses less digits than its factorization.

72242566273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50303.

The product of its digits is 1693440, while the sum is 46.

The spelling of 72242566273 in words is "seventy-two billion, two hundred forty-two million, five hundred sixty-six thousand, two hundred seventy-three".