73693641 has 8 divisors (see below), whose sum is σ = 112295104. Its totient is φ = 42110640.

The previous prime is 73693619. The next prime is 73693643. The reversal of 73693641 is 14639637.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73693641 - 2⁶ = 73693577 is a prime.

It is the 8585-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73693641.

It is not an unprimeable number, because it can be changed into a prime (73693643) by changing a digit.

It is a nontrivial repunit in base 8584.

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, 1754590 + ... + 1754631.

It is an arithmetic number, because the mean of its divisors is an integer number (14036888).

Almost surely, 2^73693641 is an apocalyptic number.

It is an amenable number.

73693641 is a deficient number, since it is larger than the sum of its proper divisors (38601463).

73693641 is a wasteful number, since it uses less digits than its factorization.

73693641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509231.

The product of its digits is 81648, while the sum is 39.

The square root of 73693641 is about 8584.5000436834. The cubic root of 73693641 is about 419.2534754714.

The spelling of 73693641 in words is "seventy-three million, six hundred ninety-three thousand, six hundred forty-one".