726871 has 4 divisors (see below), whose sum is σ = 734032. Its totient is φ = 719712.

The previous prime is 726853. The next prime is 726893. The reversal of 726871 is 178627.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 726871 - 2⁵ = 726839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (183508).

2⁷²⁶⁸⁷¹ is an apocalyptic number.

726871 is a deficient number, since it is larger than the sum of its proper divisors (7161).

726871 is a wasteful number, since it uses less digits than its factorization.

726871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160.

The product of its digits is 4704, while the sum is 31.

The square root of 726871 is about 852.5672993964. The cubic root of 726871 is about 89.9123014030.

The spelling of 726871 in words is "seven hundred twenty-six thousand, eight hundred seventy-one".