73666671 has 16 divisors (see below), whose sum is σ = 106592640. Its totient is φ = 44984160.

The previous prime is 73666657. The next prime is 73666753. The reversal of 73666671 is 17666637.

It is not a de Polignac number, because 73666671 - 2⁵ = 73666639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73666601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101 + ... + 12318.

It is an arithmetic number, because the mean of its divisors is an integer number (6662040).

Almost surely, 2^73666671 is an apocalyptic number.

73666671 is a deficient number, since it is larger than the sum of its proper divisors (32925969).

73666671 is a wasteful number, since it uses less digits than its factorization.

73666671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566.

The product of its digits is 190512, while the sum is 42.

The square root of 73666671 is about 8582.9290454949. The cubic root of 73666671 is about 419.2023238580.

The spelling of 73666671 in words is "seventy-three million, six hundred sixty-six thousand, six hundred seventy-one".