726819404 has 12 divisors (see below), whose sum is σ = 1279551504. Its totient is φ = 361233264.

The previous prime is 726819391. The next prime is 726819433. The reversal of 726819404 is 404918627.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543359 + ... + 544694.

It is an arithmetic number, because the mean of its divisors is an integer number (106629292).

Almost surely, 2^726819404 is an apocalyptic number.

It is an amenable number.

726819404 is a deficient number, since it is larger than the sum of its proper divisors (552732100).

726819404 is a wasteful number, since it uses less digits than its factorization.

726819404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088224 (or 1088222 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 726819404 is about 26959.5883499730. The cubic root of 726819404 is about 899.1017391642.

The spelling of 726819404 in words is "seven hundred twenty-six million, eight hundred nineteen thousand, four hundred four".