72840333760 has 56 divisors (see below), whose sum is σ = 176723747136. Its totient is φ = 28586388480.

The previous prime is 72840333757. The next prime is 72840333767. The reversal of 72840333760 is 6733304827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72840333767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130456 + ... + 2164375.

Almost surely, 2^72840333760 is an apocalyptic number.

It is an amenable number.

72840333760 is an abundant number, since it is smaller than the sum of its proper divisors (103883413376).

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

72840333760 is a wasteful number, since it uses less digits than its factorization.

72840333760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4294901 (or 4294891 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 72840333760 in words is "seventy-two billion, eight hundred forty million, three hundred thirty-three thousand, seven hundred sixty".