726506777725672 has 32 divisors (see below), whose sum is σ = 1423951040335680. Its totient is φ = 346842605549440.

The previous prime is 726506777725643. The next prime is 726506777725763. The reversal of 726506777725672 is 276527777605627.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3506474029 + ... + 3506681212.

It is an arithmetic number, because the mean of its divisors is an integer number (44498470010490).

Almost surely, 2^{726506777725672} is an apocalyptic number.

It is an amenable number.

726506777725672 is a deficient number, since it is larger than the sum of its proper divisors (697444262610008).

726506777725672 is a wasteful number, since it uses less digits than its factorization.

726506777725672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013155833 (or 7013155829 counting only the distinct ones).

The product of its (nonzero) digits is 5082436800, while the sum is 76.

The spelling of 726506777725672 in words is "seven hundred twenty-six trillion, five hundred six billion, seven hundred seventy-seven million, seven hundred twenty-five thousand, six hundred seventy-two".