72647627547232 has 48 divisors (see below), whose sum is σ = 145058808206592. Its totient is φ = 35807431847040.

The previous prime is 72647627547221. The next prime is 72647627547317. The reversal of 72647627547232 is 23274572674627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14926213 + ... + 19185595.

It is an arithmetic number, because the mean of its divisors is an integer number (3022058504304).

Almost surely, 2^{72647627547232} is an apocalyptic number.

It is an amenable number.

72647627547232 is a deficient number, since it is larger than the sum of its proper divisors (72411180659360).

72647627547232 is a wasteful number, since it uses less digits than its factorization.

72647627547232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266971 (or 4266963 counting only the distinct ones).

The product of its digits is 331914240, while the sum is 64.

The spelling of 72647627547232 in words is "seventy-two trillion, six hundred forty-seven billion, six hundred twenty-seven million, five hundred forty-seven thousand, two hundred thirty-two".