726894337964 has 12 divisors (see below), whose sum is σ = 1287391177464. Its totient is φ = 359068287264.

The previous prime is 726894337957. The next prime is 726894338011. The reversal of 726894337964 is 469733498627.

It is a junction number, because it is equal to n+sod(n) for n = 726894337894 and 726894337903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094720057 + ... + 1094720720.

It is an arithmetic number, because the mean of its divisors is an integer number (107282598122).

Almost surely, 2^726894337964 is an apocalyptic number.

It is an amenable number.

726894337964 is a deficient number, since it is larger than the sum of its proper divisors (560496839500).

726894337964 is a wasteful number, since it uses less digits than its factorization.

726894337964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189440864 (or 2189440862 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 68.

The spelling of 726894337964 in words is "seven hundred twenty-six billion, eight hundred ninety-four million, three hundred thirty-seven thousand, nine hundred sixty-four".