7641244068 has 12 divisors (see below), whose sum is σ = 17829569520. Its totient is φ = 2547081352.

The previous prime is 7641244063. The next prime is 7641244139. The reversal of 7641244068 is 8604421467.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7641244068² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7641244063) 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, 318385158 + ... + 318385181.

It is an arithmetic number, because the mean of its divisors is an integer number (1485797460).

Almost surely, 2^7641244068 is an apocalyptic number.

It is an amenable number.

7641244068 is an abundant number, since it is smaller than the sum of its proper divisors (10188325452).

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

7641244068 is a wasteful number, since it uses less digits than its factorization.

7641244068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636770346 (or 636770344 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 7641244068 is about 87414.2097601986. The cubic root of 7641244068 is about 1969.6452991567.

The spelling of 7641244068 in words is "seven billion, six hundred forty-one million, two hundred forty-four thousand, sixty-eight".