72352209834036 has 144 divisors (see below), whose sum is σ = 199892430523968. Its totient is φ = 21883639104000.

The previous prime is 72352209834017. The next prime is 72352209834067. The reversal of 72352209834036 is 63043890225327.

It is a happy number.

72352209834036 is a `hidden beast` number, since 7 + 2 + 3 + 5 + 220 + 9 + 8 + 3 + 403 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1174003455 + ... + 1174065081.

Almost surely, 2^{72352209834036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72352209834036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99946215261984).

72352209834036 is an abundant number, since it is smaller than the sum of its proper divisors (127540220689932).

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

72352209834036 is a wasteful number, since it uses less digits than its factorization.

72352209834036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67182 (or 67177 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 72352209834036 in words is "seventy-two trillion, three hundred fifty-two billion, two hundred nine million, eight hundred thirty-four thousand, thirty-six".