72335836994 has 8 divisors (see below), whose sum is σ = 108605258940. Its totient is φ = 36134084016.

The previous prime is 72335836943. The next prime is 72335837011. The reversal of 72335836994 is 49963853327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67567243969 + 4768593025 = 259937^2 + 69055^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16914569 + ... + 16918844.

Almost surely, 2^72335836994 is an apocalyptic number.

72335836994 is a deficient number, since it is larger than the sum of its proper divisors (36269421946).

72335836994 is a wasteful number, since it uses less digits than its factorization.

72335836994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33834484.

The product of its digits is 29393280, while the sum is 59.

The spelling of 72335836994 in words is "seventy-two billion, three hundred thirty-five million, eight hundred thirty-six thousand, nine hundred ninety-four".