766422 has 48 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 239112.

The previous prime is 766421. The next prime is 766439. The reversal of 766422 is 224667.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9193 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2⁷⁶⁶⁴²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917280).

766422 is an abundant number, since it is smaller than the sum of its proper divisors (1068138).

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

766422 is a wasteful number, since it uses less digits than its factorization.

766422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 107 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 766422 is about 875.4553101101. The cubic root of 766422 is about 91.5143755967.

The spelling of 766422 in words is "seven hundred sixty-six thousand, four hundred twenty-two".