7664322 has 8 divisors (see below), whose sum is σ = 15328656. Its totient is φ = 2554772.

The previous prime is 7664311. The next prime is 7664329. The reversal of 7664322 is 2234667.

It is a sphenic number, since it is the product of 3 distinct primes.

7664322 is an admirable number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 7664322.

It is not an unprimeable number, because it can be changed into a prime (7664329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638688 + ... + 638699.

It is an arithmetic number, because the mean of its divisors is an integer number (1916082).

Almost surely, 2^7664322 is an apocalyptic number.

7664322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7664322 is a wasteful number, since it uses less digits than its factorization.

7664322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277392.

The product of its digits is 12096, while the sum is 30.

The square root of 7664322 is about 2768.4511915510. The cubic root of 7664322 is about 197.1626200670.

Adding to 7664322 its reverse (2234667), we get a palindrome (9898989).

The spelling of 7664322 in words is "seven million, six hundred sixty-four thousand, three hundred twenty-two".