72385120084 has 12 divisors (see below), whose sum is σ = 128097263700. Its totient is φ = 35785901888.

The previous prime is 72385120079. The next prime is 72385120091. The reversal of 72385120084 is 48002158327.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22807644484 + 49577475600 = 151022^2 + 222660^2 .

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 3 ways as a sum of consecutive naturals, for example, 101664139 + ... + 101664850.

It is an arithmetic number, because the mean of its divisors is an integer number (10674771975).

Almost surely, 2^72385120084 is an apocalyptic number.

It is an amenable number.

72385120084 is a deficient number, since it is larger than the sum of its proper divisors (55712143616).

72385120084 is a wasteful number, since it uses less digits than its factorization.

72385120084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203329082 (or 203329080 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 72385120084 in words is "seventy-two billion, three hundred eighty-five million, one hundred twenty thousand, eighty-four".