764022 has 16 divisors (see below), whose sum is σ = 1746432. Its totient is φ = 218280.

The previous prime is 764021. The next prime is 764041. The reversal of 764022 is 220467.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 764022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 9137.

It is an arithmetic number, because the mean of its divisors is an integer number (109152).

2⁷⁶⁴⁰²² is an apocalyptic number.

764022 is an abundant number, since it is smaller than the sum of its proper divisors (982410).

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

764022 is a wasteful number, since it uses less digits than its factorization.

764022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18203.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 764022 is about 874.0835200368. The cubic root of 764022 is about 91.4187519681.

Adding to 764022 its reverse (220467), we get a palindrome (984489).

The spelling of 764022 in words is "seven hundred sixty-four thousand, twenty-two".