72365938046 has 16 divisors (see below), whose sum is σ = 113341440240. Its totient is φ = 34608779520.

The previous prime is 72365937991. The next prime is 72365938063. The reversal of 72365938046 is 64083956327.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 5824115 + ... + 5836526.

It is an arithmetic number, because the mean of its divisors is an integer number (7083840015).

Almost surely, 2^72365938046 is an apocalyptic number.

72365938046 is a deficient number, since it is larger than the sum of its proper divisors (40975502194).

72365938046 is a wasteful number, since it uses less digits than its factorization.

72365938046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11660779.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 72365938046 in words is "seventy-two billion, three hundred sixty-five million, nine hundred thirty-eight thousand, forty-six".