726974479628 has 48 divisors (see below), whose sum is σ = 1355914764288. Its totient is φ = 339856800000.

The previous prime is 726974479619. The next prime is 726974479753. The reversal of 726974479628 is 826974479627.

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 15 ways as a sum of consecutive naturals, for example, 9716723 + ... + 9791253.

It is an arithmetic number, because the mean of its divisors is an integer number (28248224256).

Almost surely, 2^726974479628 is an apocalyptic number.

It is an amenable number.

726974479628 is a deficient number, since it is larger than the sum of its proper divisors (628940284660).

726974479628 is a wasteful number, since it uses less digits than its factorization.

726974479628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75494 (or 75492 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 71.

Subtracting 726974479628 from its reverse (826974479627), we obtain a palindrome (99999999999).

The spelling of 726974479628 in words is "seven hundred twenty-six billion, nine hundred seventy-four million, four hundred seventy-nine thousand, six hundred twenty-eight".