726124988 has 12 divisors (see below), whose sum is σ = 1275409632. Its totient is φ = 361722240.

The previous prime is 726124981. The next prime is 726125011. The reversal of 726124988 is 889421627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726124981) by changing a digit.

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, 333845 + ... + 336012.

It is an arithmetic number, because the mean of its divisors is an integer number (106284136).

Almost surely, 2^726124988 is an apocalyptic number.

It is an amenable number.

726124988 is a deficient number, since it is larger than the sum of its proper divisors (549284644).

726124988 is a wasteful number, since it uses less digits than its factorization.

726124988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670132 (or 670130 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 726124988 is about 26946.7064406766. The cubic root of 726124988 is about 898.8153087369.

The spelling of 726124988 in words is "seven hundred twenty-six million, one hundred twenty-four thousand, nine hundred eighty-eight".