7468668647 has 8 divisors (see below), whose sum is σ = 8156345232. Its totient is φ = 6782443200.

The previous prime is 7468668643. The next prime is 7468668661.

7468668647 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 7468668647 - 2² = 7468668643 is a prime.

It is a super-2 number, since 2×7468668647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7468668647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7468668643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352004 + ... + 372617.

It is an arithmetic number, because the mean of its divisors is an integer number (1019543154).

Almost surely, 2^7468668647 is an apocalyptic number.

7468668647 is a deficient number, since it is larger than the sum of its proper divisors (687676585).

7468668647 is a wasteful number, since it uses less digits than its factorization.

7468668647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725569.

The product of its digits is 65028096, while the sum is 62.

The square root of 7468668647 is about 86421.4594125788. The cubic root of 7468668647 is about 1954.7042805957.

The spelling of 7468668647 in words is "seven billion, four hundred sixty-eight million, six hundred sixty-eight thousand, six hundred forty-seven".