73207394066 has 16 divisors (see below), whose sum is σ = 119413016856. Its totient is φ = 33519442176.

The previous prime is 73207394059. The next prime is 73207394081. The reversal of 73207394066 is 66049370237.

It can be written as a sum of positive squares in 4 ways, for example, as 66811393441 + 6396000625 = 258479^2 + 79975^2 .

It is a super-2 number, since 2×73207394066² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73207394066.

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 7 ways as a sum of consecutive naturals, for example, 29095481 + ... + 29097996.

Almost surely, 2^73207394066 is an apocalyptic number.

73207394066 is a deficient number, since it is larger than the sum of its proper divisors (46205622790).

73207394066 is a wasteful number, since it uses less digits than its factorization.

73207394066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58193533.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 73207394066 in words is "seventy-three billion, two hundred seven million, three hundred ninety-four thousand, sixty-six".