726273420750226 has 8 divisors (see below), whose sum is σ = 1089410383292220. Its totient is φ = 363136626319488.

The previous prime is 726273420750203. The next prime is 726273420750239. The reversal of 726273420750226 is 622057024372627.

It can be written as a sum of positive squares in 2 ways, for example, as 690722551123201 + 35550869627025 = 26281601^2 + 5962455^2 .

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

It is a super-2 number, since 2×726273420750226² (a number of 31 digits) contains 22 as substring.

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, 30606571 + ... + 48880558.

Almost surely, 2^{726273420750226} is an apocalyptic number.

726273420750226 is a deficient number, since it is larger than the sum of its proper divisors (363136962541994).

726273420750226 is a wasteful number, since it uses less digits than its factorization.

726273420750226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84055628.

The product of its (nonzero) digits is 23708160, while the sum is 55.

The spelling of 726273420750226 in words is "seven hundred twenty-six trillion, two hundred seventy-three billion, four hundred twenty million, seven hundred fifty thousand, two hundred twenty-six".