726626146 has 8 divisors (see below), whose sum is σ = 1127523420. Its totient is φ = 350785008.

The previous prime is 726626119. The next prime is 726626167. The reversal of 726626146 is 641626627.

It can be written as a sum of positive squares in 2 ways, for example, as 659205625 + 67420521 = 25675^2 + 8211^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 726626099 and 726626108.

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, 6263961 + ... + 6264076.

Almost surely, 2^726626146 is an apocalyptic number.

726626146 is a deficient number, since it is larger than the sum of its proper divisors (400897274).

726626146 is a wasteful number, since it uses less digits than its factorization.

726626146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528068.

The product of its digits is 145152, while the sum is 40.

The square root of 726626146 is about 26956.0038952364. The cubic root of 726626146 is about 899.0220430683.

The spelling of 726626146 in words is "seven hundred twenty-six million, six hundred twenty-six thousand, one hundred forty-six".