72906336808 has 16 divisors (see below), whose sum is σ = 136746514080. Its totient is φ = 36440599728.

The previous prime is 72906336793. The next prime is 72906336829. The reversal of 72906336808 is 80863360927.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546410 + ... + 1592857.

It is an arithmetic number, because the mean of its divisors is an integer number (8546657130).

Almost surely, 2^72906336808 is an apocalyptic number.

It is an amenable number.

72906336808 is a deficient number, since it is larger than the sum of its proper divisors (63840177272).

72906336808 is a wasteful number, since it uses less digits than its factorization.

72906336808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142176 (or 3142172 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 72906336808 in words is "seventy-two billion, nine hundred six million, three hundred thirty-six thousand, eight hundred eight".