73406070666 has 20 divisors (see below), whose sum is σ = 164483973522. Its totient is φ = 24468690168.

The previous prime is 73406070637. The next prime is 73406070671. The reversal of 73406070666 is 66607060437.

It can be written as a sum of positive squares in only one way, i.e., 54861350625 + 18544720041 = 234225^2 + 136179^2 .

It is a super-5 number, since 5×73406070666⁵ (a number of 56 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 226561785 + ... + 226562108.

Almost surely, 2^73406070666 is an apocalyptic number.

73406070666 is an abundant number, since it is smaller than the sum of its proper divisors (91077902856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73406070666 is a wasteful number, since it uses less digits than its factorization.

73406070666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453123907 (or 453123898 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 73406070666 in words is "seventy-three billion, four hundred six million, seventy thousand, six hundred sixty-six".