72747006140 has 24 divisors (see below), whose sum is σ = 152790699600. Its totient is φ = 29094614528.

The previous prime is 72747006121. The next prime is 72747006161. The reversal of 72747006140 is 4160074727.

It is a junction number, because it is equal to n+sod(n) for n = 72747006094 and 72747006103.

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, 117365 + ... + 399084.

It is an arithmetic number, because the mean of its divisors is an integer number (6366279150).

Almost surely, 2^72747006140 is an apocalyptic number.

It is an amenable number.

72747006140 is an abundant number, since it is smaller than the sum of its proper divisors (80043693460).

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

72747006140 is a wasteful number, since it uses less digits than its factorization.

72747006140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523501 (or 523499 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 38.

The spelling of 72747006140 in words is "seventy-two billion, seven hundred forty-seven million, six thousand, one hundred forty".