72486697056 has 48 divisors (see below), whose sum is σ = 190954795248. Its totient is φ = 24076236800.

The previous prime is 72486697051. The next prime is 72486697093. The reversal of 72486697056 is 65079668427.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72486697051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316565 + ... + 1370516.

It is an arithmetic number, because the mean of its divisors is an integer number (3978224901).

Almost surely, 2^72486697056 is an apocalyptic number.

It is an amenable number.

72486697056 is an abundant number, since it is smaller than the sum of its proper divisors (118468098192).

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

72486697056 is a wasteful number, since it uses less digits than its factorization.

72486697056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687375 (or 2687367 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 72486697056 in words is "seventy-two billion, four hundred eighty-six million, six hundred ninety-seven thousand, fifty-six".