72736061408 has 24 divisors (see below), whose sum is σ = 143207611848. Its totient is φ = 36365874304.

The previous prime is 72736061393. The next prime is 72736061443. The reversal of 72736061408 is 80416063727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574910 + ... + 689922.

It is an arithmetic number, because the mean of its divisors is an integer number (5966983827).

Almost surely, 2^72736061408 is an apocalyptic number.

It is an amenable number.

72736061408 is a deficient number, since it is larger than the sum of its proper divisors (70471550440).

72736061408 is a wasteful number, since it uses less digits than its factorization.

72736061408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134786 (or 134778 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 72736061408 in words is "seventy-two billion, seven hundred thirty-six million, sixty-one thousand, four hundred eight".