72533103766652 has 24 divisors (see below), whose sum is σ = 127512192057936. Its totient is φ = 36101365043328.

The previous prime is 72533103766639. The next prime is 72533103766661. The reversal of 72533103766652 is 25666730133527.

72533103766652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×72533103766652² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38600558 + ... + 40435989.

It is an arithmetic number, because the mean of its divisors is an integer number (5313008002414).

Almost surely, 2^{72533103766652} is an apocalyptic number.

It is an amenable number.

72533103766652 is a deficient number, since it is larger than the sum of its proper divisors (54979088291284).

72533103766652 is a wasteful number, since it uses less digits than its factorization.

72533103766652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79037597 (or 79037595 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 56.

The spelling of 72533103766652 in words is "seventy-two trillion, five hundred thirty-three billion, one hundred three million, seven hundred sixty-six thousand, six hundred fifty-two".