764213422 has 16 divisors (see below), whose sum is σ = 1311279840. Its totient is φ = 327220128.

The previous prime is 764213407. The next prime is 764213431. The reversal of 764213422 is 224312467.

It is a happy number.

It is a super-3 number, since 3×764213422³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8797 + ... + 40072.

It is an arithmetic number, because the mean of its divisors is an integer number (81954990).

Almost surely, 2^764213422 is an apocalyptic number.

764213422 is a deficient number, since it is larger than the sum of its proper divisors (547066418).

764213422 is a wasteful number, since it uses less digits than its factorization.

764213422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49995.

The product of its digits is 16128, while the sum is 31.

The square root of 764213422 is about 27644.4103210758. The cubic root of 764213422 is about 914.2638617196.

Adding to 764213422 its reverse (224312467), we get a palindrome (988525889).

The spelling of 764213422 in words is "seven hundred sixty-four million, two hundred thirteen thousand, four hundred twenty-two".