72288624764 has 6 divisors (see below), whose sum is σ = 126505093344. Its totient is φ = 36144312380.

The previous prime is 72288624761. The next prime is 72288624817. The reversal of 72288624764 is 46742688227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72288624761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9036078092 + ... + 9036078099.

It is an arithmetic number, because the mean of its divisors is an integer number (21084182224).

Almost surely, 2^72288624764 is an apocalyptic number.

It is an amenable number.

72288624764 is a deficient number, since it is larger than the sum of its proper divisors (54216468580).

72288624764 is a wasteful number, since it uses less digits than its factorization.

72288624764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18072156195 (or 18072156193 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 56.

The spelling of 72288624764 in words is "seventy-two billion, two hundred eighty-eight million, six hundred twenty-four thousand, seven hundred sixty-four".