726336406 has 8 divisors (see below), whose sum is σ = 1089888624. Its totient is φ = 363040200.

The previous prime is 726336379. The next prime is 726336419. The reversal of 726336406 is 604633627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56745 + ... + 68356.

It is an arithmetic number, because the mean of its divisors is an integer number (136236078).

Almost surely, 2^726336406 is an apocalyptic number.

726336406 is a deficient number, since it is larger than the sum of its proper divisors (363552218).

726336406 is a wasteful number, since it uses less digits than its factorization.

726336406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128006.

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 726336406 is about 26950.6290464620. The cubic root of 726336406 is about 898.9025330662.

The spelling of 726336406 in words is "seven hundred twenty-six million, three hundred thirty-six thousand, four hundred six".