7642332468 has 18 divisors (see below), whose sum is σ = 19318118274. Its totient is φ = 2547444144.

The previous prime is 7642332463. The next prime is 7642332469. The reversal of 7642332468 is 8642332467.

It can be written as a sum of positive squares in only one way, i.e., 7629673104 + 12659364 = 87348^2 + 3558^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642332461) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 106143471 + ... + 106143542.

It is an arithmetic number, because the mean of its divisors is an integer number (1073228793).

Almost surely, 2^7642332468 is an apocalyptic number.

It is an amenable number.

7642332468 is an abundant number, since it is smaller than the sum of its proper divisors (11675785806).

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

7642332468 is a wasteful number, since it uses less digits than its factorization.

7642332468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212287023 (or 212287018 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The square root of 7642332468 is about 87420.4350709833. The cubic root of 7642332468 is about 1969.7388118600.

Subtracting 7642332468 from its reverse (8642332467), we obtain a palindrome (999999999).

The spelling of 7642332468 in words is "seven billion, six hundred forty-two million, three hundred thirty-two thousand, four hundred sixty-eight".