73222313072 has 10 divisors (see below), whose sum is σ = 141868231608. Its totient is φ = 36611156528.

The previous prime is 73222313057. The next prime is 73222313083. The reversal of 73222313072 is 27031322237.

It is a super-2 number, since 2×73222313072² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2288197268 + ... + 2288197299.

Almost surely, 2^73222313072 is an apocalyptic number.

It is an amenable number.

73222313072 is a deficient number, since it is larger than the sum of its proper divisors (68645918536).

73222313072 is a wasteful number, since it uses less digits than its factorization.

73222313072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576394575 (or 4576394569 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The spelling of 73222313072 in words is "seventy-three billion, two hundred twenty-two million, three hundred thirteen thousand, seventy-two".