726368 has 12 divisors (see below), whose sum is σ = 1430100. Its totient is φ = 363168.

The previous prime is 726367. The next prime is 726371. The reversal of 726368 is 863627.

It is a super-2 number, since 2×726368² = 1055220942848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 22699 = 726368 / (7 + 2 + 6 + 3 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (119175).

2⁷²⁶³⁶⁸ is an apocalyptic number.

It is an amenable number.

726368 is a deficient number, since it is larger than the sum of its proper divisors (703732).

726368 is a wasteful number, since it uses less digits than its factorization.

726368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22709 (or 22701 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 726368 is about 852.2722569696. The cubic root of 726368 is about 89.8915566290.

The spelling of 726368 in words is "seven hundred twenty-six thousand, three hundred sixty-eight".