72711499001812 has 48 divisors (see below), whose sum is σ = 143602637310720. Its totient is φ = 31910308214400.

The previous prime is 72711499001809. The next prime is 72711499001879. The reversal of 72711499001812 is 21810099411727.

It is a self number, because there is not a number n which added to its sum of digits gives 72711499001812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60385138 + ... + 61577494.

It is an arithmetic number, because the mean of its divisors is an integer number (2991721610640).

Almost surely, 2^{72711499001812} is an apocalyptic number.

It is an amenable number.

72711499001812 is a deficient number, since it is larger than the sum of its proper divisors (70891138308908).

72711499001812 is a wasteful number, since it uses less digits than its factorization.

72711499001812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240192 (or 1240190 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 72711499001812 in words is "seventy-two trillion, seven hundred eleven billion, four hundred ninety-nine million, one thousand, eight hundred twelve".