73420222208 has 36 divisors (see below), whose sum is σ = 146573502600. Its totient is φ = 36705137664.

The previous prime is 73420222163. The next prime is 73420222219. The reversal of 73420222208 is 80222202437.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521718 + ... + 2550666.

Almost surely, 2^73420222208 is an apocalyptic number.

It is an amenable number.

73420222208 is a deficient number, since it is larger than the sum of its proper divisors (73153280392).

73420222208 is an equidigital number, since it uses as much as digits as its factorization.

73420222208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38872 (or 38858 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 73420222208 in words is "seventy-three billion, four hundred twenty million, two hundred twenty-two thousand, two hundred eight".