72328404037 has 8 divisors (see below), whose sum is σ = 75811567104. Its totient is φ = 68873445168.

The previous prime is 72328403989. The next prime is 72328404053. The reversal of 72328404037 is 73040482327.

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

It is a de Polignac number, because none of the positive numbers 2^k-72328404037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72328404077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7045798 + ... + 7056055.

It is an arithmetic number, because the mean of its divisors is an integer number (9476445888).

Almost surely, 2^72328404037 is an apocalyptic number.

It is an amenable number.

72328404037 is a deficient number, since it is larger than the sum of its proper divisors (3483163067).

72328404037 is a wasteful number, since it uses less digits than its factorization.

72328404037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14102099.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 72328404037 in words is "seventy-two billion, three hundred twenty-eight million, four hundred four thousand, thirty-seven".