726081422 has 8 divisors (see below), whose sum is σ = 1188133272. Its totient is φ = 330037000.

The previous prime is 726081403. The next prime is 726081443. The reversal of 726081422 is 224180627.

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 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, 16501829 + ... + 16501872.

It is an arithmetic number, because the mean of its divisors is an integer number (148516659).

Almost surely, 2^726081422 is an apocalyptic number.

726081422 is a deficient number, since it is larger than the sum of its proper divisors (462051850).

726081422 is a wasteful number, since it uses less digits than its factorization.

726081422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33003714.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 726081422 is about 26945.8980551772. The cubic root of 726081422 is about 898.7973326898.

The spelling of 726081422 in words is "seven hundred twenty-six million, eighty-one thousand, four hundred twenty-two".