72495669080 has 64 divisors (see below), whose sum is σ = 164629463040. Its totient is φ = 28729717632.

The previous prime is 72495669079. The next prime is 72495669121. The reversal of 72495669080 is 8096659427.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3764837 + ... + 3784043.

It is an arithmetic number, because the mean of its divisors is an integer number (2572335360).

Almost surely, 2^72495669080 is an apocalyptic number.

It is an amenable number.

72495669080 is an abundant number, since it is smaller than the sum of its proper divisors (92133793960).

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

72495669080 is a wasteful number, since it uses less digits than its factorization.

72495669080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20088 (or 20084 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 72495669080 in words is "seventy-two billion, four hundred ninety-five million, six hundred sixty-nine thousand, eighty".