726216 has 16 divisors (see below), whose sum is σ = 1815600. Its totient is φ = 242064.

The previous prime is 726191. The next prime is 726221. The reversal of 726216 is 612627.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 30259 = 726216 / (7 + 2 + 6 + 2 + 1 + 6).

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, 15106 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (113475).

2⁷²⁶²¹⁶ is an apocalyptic number.

It is an amenable number.

726216 is an abundant number, since it is smaller than the sum of its proper divisors (1089384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726216 is a wasteful number, since it uses less digits than its factorization.

726216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30268 (or 30264 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 726216 is about 852.1830789214. The cubic root of 726216 is about 89.8852859463.

It can be divided in two parts, 72621 and 6, that added together give a palindrome (72627).

The spelling of 726216 in words is "seven hundred twenty-six thousand, two hundred sixteen".