726270331 has 8 divisors (see below), whose sum is σ = 745792544. Its totient is φ = 706993920.

The previous prime is 726270329. The next prime is 726270343. The reversal of 726270331 is 133072627.

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

It is a cyclic number.

It is not a de Polignac number, because 726270331 - 2¹ = 726270329 is a prime.

It is a super-2 number, since 2×726270331² = 1054937187381699122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726270293 and 726270302.

It is not an unprimeable number, because it can be changed into a prime (726270361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55455 + ... + 67288.

It is an arithmetic number, because the mean of its divisors is an integer number (93224068).

Almost surely, 2^726270331 is an apocalyptic number.

726270331 is a deficient number, since it is larger than the sum of its proper divisors (19522213).

726270331 is a wasteful number, since it uses less digits than its factorization.

726270331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122901.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 726270331 is about 26949.4031659330. The cubic root of 726270331 is about 898.8752744454.

The spelling of 726270331 in words is "seven hundred twenty-six million, two hundred seventy thousand, three hundred thirty-one".