72403701064 has 16 divisors (see below), whose sum is σ = 135850780800. Its totient is φ = 36176826192.

The previous prime is 72403701037. The next prime is 72403701101. The reversal of 72403701064 is 46010730427.

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, 3115744 + ... + 3138895.

It is an arithmetic number, because the mean of its divisors is an integer number (8490673800).

Almost surely, 2^72403701064 is an apocalyptic number.

It is an amenable number.

72403701064 is a deficient number, since it is larger than the sum of its proper divisors (63447079736).

72403701064 is a wasteful number, since it uses less digits than its factorization.

72403701064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256092 (or 6256088 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 72403701064 in words is "seventy-two billion, four hundred three million, seven hundred one thousand, sixty-four".