726216404612625 has 48 divisors (see below), whose sum is σ = 1311792350993280. Its totient is φ = 386526585732000.

The previous prime is 726216404612597. The next prime is 726216404612683. The reversal of 726216404612625 is 526216404612627.

726216404612625 is a `hidden beast` number, since 7 + 2 + 6 + 2 + 1 + 6 + 4 + 0 + 4 + 6 + 1 + 2 + 625 = 666.

It is not a de Polignac number, because 726216404612625 - 2⁹ = 726216404612113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 656805765 + ... + 657910514.

It is an arithmetic number, because the mean of its divisors is an integer number (27329007312360).

Almost surely, 2^{726216404612625} is an apocalyptic number.

726216404612625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

726216404612625 is a deficient number, since it is larger than the sum of its proper divisors (585575946380655).

726216404612625 is a wasteful number, since it uses less digits than its factorization.

726216404612625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314716791 (or 1314716778 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 726216404612625 in words is "seven hundred twenty-six trillion, two hundred sixteen billion, four hundred four million, six hundred twelve thousand, six hundred twenty-five".