72041904349296 has 120 divisors (see below), whose sum is σ = 217184947804944. Its totient is φ = 20517639367680.

The previous prime is 72041904349291. The next prime is 72041904349319. The reversal of 72041904349296 is 69294340914027.

It is a super-2 number, since 2×72041904349296² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72041904349291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48193635 + ... + 49665986.

Almost surely, 2^{72041904349296} is an apocalyptic number.

It is an amenable number.

72041904349296 is an abundant number, since it is smaller than the sum of its proper divisors (145143043455648).

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

72041904349296 is a wasteful number, since it uses less digits than its factorization.

72041904349296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97859959 (or 97859946 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 72041904349296 in words is "seventy-two trillion, forty-one billion, nine hundred four million, three hundred forty-nine thousand, two hundred ninety-six".