726270339 has 4 divisors (see below), whose sum is σ = 968360456. Its totient is φ = 484180224.

The previous prime is 726270329. The next prime is 726270343. The reversal of 726270339 is 933072627.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 726270339 - 2¹⁹ = 725746051 is a prime.

It is a super-2 number, since 2×726270339² = 1054937210622349842, 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 = 726270297 and 726270306.

It is not an unprimeable number, because it can be changed into a prime (726270329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121045054 + ... + 121045059.

It is an arithmetic number, because the mean of its divisors is an integer number (242090114).

Almost surely, 2^726270339 is an apocalyptic number.

726270339 is a deficient number, since it is larger than the sum of its proper divisors (242090117).

726270339 is a wasteful number, since it uses less digits than its factorization.

726270339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242090116.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 726270339 is about 26949.4033143593. The cubic root of 726270339 is about 898.8752777458.

The spelling of 726270339 in words is "seven hundred twenty-six million, two hundred seventy thousand, three hundred thirty-nine".