73896689 has 8 divisors (see below), whose sum is σ = 74983272. Its totient is φ = 72817920.

The previous prime is 73896673. The next prime is 73896701. The reversal of 73896689 is 98669837.

It can be written as a sum of positive squares in 4 ways, for example, as 27384289 + 46512400 = 5233^2 + 6820^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73896689 - 2⁴ = 73896673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73896619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18647 + ... + 22259.

It is an arithmetic number, because the mean of its divisors is an integer number (9372909).

Almost surely, 2^73896689 is an apocalyptic number.

It is an amenable number.

73896689 is a deficient number, since it is larger than the sum of its proper divisors (1086583).

73896689 is a wasteful number, since it uses less digits than its factorization.

73896689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907.

The product of its digits is 3919104, while the sum is 56.

The square root of 73896689 is about 8596.3183398476. The cubic root of 73896689 is about 419.6381785616.

The spelling of 73896689 in words is "seventy-three million, eight hundred ninety-six thousand, six hundred eighty-nine".