340722 has 24 divisors (see below), whose sum is σ = 771264. Its totient is φ = 108504.

The previous prime is 340709. The next prime is 340723. The reversal of 340722 is 227043.

It is a happy number.

340722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 340695 and 340704.

It is not an unprimeable number, because it can be changed into a prime (340723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (32136).

2³⁴⁰⁷²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385632).

340722 is an abundant number, since it is smaller than the sum of its proper divisors (430542).

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

340722 is a wasteful number, since it uses less digits than its factorization.

340722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 340722 is about 583.7139710509. The cubic root of 340722 is about 69.8446896785.

Adding to 340722 its reverse (227043), we get a palindrome (567765).

The spelling of 340722 in words is "three hundred forty thousand, seven hundred twenty-two", and thus it is an iban number.