73222714538 has 8 divisors (see below), whose sum is σ = 109835804388. Its totient is φ = 36610779744.

The previous prime is 73222714511. The next prime is 73222714567. The reversal of 73222714538 is 83541722237.

It can be written as a sum of positive squares in 2 ways, for example, as 62438515129 + 10784199409 = 249877^2 + 103847^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107531 + ... + 397502.

Almost surely, 2^73222714538 is an apocalyptic number.

73222714538 is a deficient number, since it is larger than the sum of its proper divisors (36613089850).

73222714538 is a wasteful number, since it uses less digits than its factorization.

73222714538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577528.

The product of its digits is 564480, while the sum is 44.

The spelling of 73222714538 in words is "seventy-three billion, two hundred twenty-two million, seven hundred fourteen thousand, five hundred thirty-eight".