786726 has 32 divisors (see below), whose sum is σ = 1853280. Its totient is φ = 246528.

The previous prime is 786719. The next prime is 786739. The reversal of 786726 is 627687.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 786726.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490 + ... + 1346.

It is an arithmetic number, because the mean of its divisors is an integer number (57915).

786726 is a Friedman number, since it can be written as 6*(7*7+8^6/2), using all its digits and the basic arithmetic operations.

2⁷⁸⁶⁷²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 786726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (926640).

786726 is an abundant number, since it is smaller than the sum of its proper divisors (1066554).

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

786726 is a wasteful number, since it uses less digits than its factorization.

786726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 879 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 786726 is about 886.9757606609. The cubic root of 786726 is about 92.3154733825.

The spelling of 786726 in words is "seven hundred eighty-six thousand, seven hundred twenty-six".