72551680752 has 40 divisors (see below), whose sum is σ = 188137851264. Its totient is φ = 24091935424.

The previous prime is 72551680711. The next prime is 72551680781. The reversal of 72551680752 is 25708615527.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2860938 + ... + 2886185.

Almost surely, 2^72551680752 is an apocalyptic number.

It is an amenable number.

72551680752 is an abundant number, since it is smaller than the sum of its proper divisors (115586170512).

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

72551680752 is a wasteful number, since it uses less digits than its factorization.

72551680752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747397 (or 5747391 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 72551680752 in words is "seventy-two billion, five hundred fifty-one million, six hundred eighty thousand, seven hundred fifty-two".