73342202018 has 6 divisors (see below), whose sum is σ = 110013877521. Its totient is φ = 36670909512.

The previous prime is 73342201991. The next prime is 73342202023. The reversal of 73342202018 is 81020224337.

It can be written as a sum of positive squares in 2 ways, for example, as 55874086129 + 17468115889 = 236377^2 + 132167^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=191497.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 287246 + ... + 478742.

Almost surely, 2^73342202018 is an apocalyptic number.

73342202018 is a deficient number, since it is larger than the sum of its proper divisors (36671675503).

73342202018 is an frugal number, since it uses more digits than its factorization.

73342202018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382996 (or 191499 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

Multiplying 73342202018 by its sum of digits (32), we get a square (2346950464576 = 1531976²).

The spelling of 73342202018 in words is "seventy-three billion, three hundred forty-two million, two hundred two thousand, eighteen".