726122887652 has 12 divisors (see below), whose sum is σ = 1274254652160. Its totient is φ = 362050129896.

The previous prime is 726122887643. The next prime is 726122887687. The reversal of 726122887652 is 256788221627.

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, 252826868 + ... + 252829739.

It is an arithmetic number, because the mean of its divisors is an integer number (106187887680).

Almost surely, 2^726122887652 is an apocalyptic number.

It is an amenable number.

726122887652 is a deficient number, since it is larger than the sum of its proper divisors (548131764508).

726122887652 is a wasteful number, since it uses less digits than its factorization.

726122887652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505656970 (or 505656968 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 56.

The spelling of 726122887652 in words is "seven hundred twenty-six billion, one hundred twenty-two million, eight hundred eighty-seven thousand, six hundred fifty-two".