72686183830 has 32 divisors (see below), whose sum is σ = 140967993600. Its totient is φ = 26824904832.

The previous prime is 72686183819. The next prime is 72686183851. The reversal of 72686183830 is 3838168627.

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 15 ways as a sum of consecutive naturals, for example, 133851 + ... + 404089.

It is an arithmetic number, because the mean of its divisors is an integer number (4405249800).

Almost surely, 2^72686183830 is an apocalyptic number.

72686183830 is a deficient number, since it is larger than the sum of its proper divisors (68281809770).

72686183830 is a wasteful number, since it uses less digits than its factorization.

72686183830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272328.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 72686183830 in words is "seventy-two billion, six hundred eighty-six million, one hundred eighty-three thousand, eight hundred thirty".