726099 has 8 divisors (see below), whose sum is σ = 1056192. Its totient is φ = 440040.

The previous prime is 726097. The next prime is 726101. The reversal of 726099 is 990627.

It is an interprime number because it is at equal distance from previous prime (726097) and next prime (726101).

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

It is not a de Polignac number, because 726099 - 2¹ = 726097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 22003 = 726099 / (7 + 2 + 6 + 0 + 9 + 9).

It is not an unprimeable number, because it can be changed into a prime (726091) 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, 10969 + ... + 11034.

It is an arithmetic number, because the mean of its divisors is an integer number (132024).

2⁷²⁶⁰⁹⁹ is an apocalyptic number.

726099 is a deficient number, since it is larger than the sum of its proper divisors (330093).

726099 is a wasteful number, since it uses less digits than its factorization.

726099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22017.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 726099 is about 852.1144289355. The cubic root of 726099 is about 89.8804585748.

It can be divided in two parts, 7 and 26099, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 726099 in words is "seven hundred twenty-six thousand, ninety-nine".