73728496222 has 32 divisors (see below), whose sum is σ = 118553152608. Its totient is φ = 34267247616.

The previous prime is 73728496207. The next prime is 73728496241. The reversal of 73728496222 is 22269482737.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73728496222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877453 + ... + 957799.

It is an arithmetic number, because the mean of its divisors is an integer number (3704786019).

Almost surely, 2^73728496222 is an apocalyptic number.

73728496222 is a deficient number, since it is larger than the sum of its proper divisors (44824656386).

73728496222 is a wasteful number, since it uses less digits than its factorization.

73728496222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80700.

The product of its digits is 4064256, while the sum is 52.

The spelling of 73728496222 in words is "seventy-three billion, seven hundred twenty-eight million, four hundred ninety-six thousand, two hundred twenty-two".