72804287380 has 48 divisors (see below), whose sum is σ = 176599071936. Its totient is φ = 24916974080.

The previous prime is 72804287333. The next prime is 72804287383. The reversal of 72804287380 is 8378240827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72804287383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9729454 + ... + 9736933.

It is an arithmetic number, because the mean of its divisors is an integer number (3679147332).

Almost surely, 2^72804287380 is an apocalyptic number.

It is an amenable number.

72804287380 is an abundant number, since it is smaller than the sum of its proper divisors (103794784556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72804287380 is a wasteful number, since it uses less digits than its factorization.

72804287380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19466424 (or 19466422 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 72804287380 in words is "seventy-two billion, eight hundred four million, two hundred eighty-seven thousand, three hundred eighty".