72310506004 has 48 divisors (see below), whose sum is σ = 139551060096. Its totient is φ = 32511024000.

The previous prime is 72310505983. The next prime is 72310506007. The reversal of 72310506004 is 40060501327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72310506007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4849849 + ... + 4864735.

It is an arithmetic number, because the mean of its divisors is an integer number (2907313752).

Almost surely, 2^72310506004 is an apocalyptic number.

It is an amenable number.

72310506004 is a deficient number, since it is larger than the sum of its proper divisors (67240554092).

72310506004 is a wasteful number, since it uses less digits than its factorization.

72310506004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16096 (or 16094 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 72310506004 in words is "seventy-two billion, three hundred ten million, five hundred six thousand, four".