73864085 has 8 divisors (see below), whose sum is σ = 88771896. Its totient is φ = 59001280.

The previous prime is 73864079. The next prime is 73864111. The reversal of 73864085 is 58046837.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32364721 + 41499364 = 5689^2 + 6442^2 .

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

It is not a de Polignac number, because 73864085 - 2²² = 69669781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 7526 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (11096487).

Almost surely, 2^73864085 is an apocalyptic number.

It is an amenable number.

73864085 is a deficient number, since it is larger than the sum of its proper divisors (14907811).

73864085 is a wasteful number, since it uses less digits than its factorization.

73864085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22503.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 73864085 is about 8594.4217373829. The cubic root of 73864085 is about 419.5764532166.

The spelling of 73864085 in words is "seventy-three million, eight hundred sixty-four thousand, eighty-five".