73666631373 has 32 divisors (see below), whose sum is σ = 100769152896. Its totient is φ = 47851634688.

The previous prime is 73666631333. The next prime is 73666631393. The reversal of 73666631373 is 37313666637.

It is not a de Polignac number, because 73666631373 - 2¹⁷ = 73666500301 is a prime.

It is a super-3 number, since 3×73666631373³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73666631333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14422086 + ... + 14427192.

It is an arithmetic number, because the mean of its divisors is an integer number (3149036028).

Almost surely, 2^73666631373 is an apocalyptic number.

It is an amenable number.

73666631373 is a deficient number, since it is larger than the sum of its proper divisors (27102521523).

73666631373 is a wasteful number, since it uses less digits than its factorization.

73666631373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its digits is 5143824, while the sum is 51.

The spelling of 73666631373 in words is "seventy-three billion, six hundred sixty-six million, six hundred thirty-one thousand, three hundred seventy-three".