7466278668 has 12 divisors (see below), whose sum is σ = 17421316920. Its totient is φ = 2488759552.

The previous prime is 7466278663. The next prime is 7466278679. The reversal of 7466278668 is 8668726647.

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

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7466278661) 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 3 ways as a sum of consecutive naturals, for example, 311094933 + ... + 311094956.

It is an arithmetic number, because the mean of its divisors is an integer number (1451776410).

Almost surely, 2^7466278668 is an apocalyptic number.

It is an amenable number.

7466278668 is an abundant number, since it is smaller than the sum of its proper divisors (9955038252).

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

7466278668 is a wasteful number, since it uses less digits than its factorization.

7466278668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622189896 (or 622189894 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 60.

The square root of 7466278668 is about 86407.6308435777. The cubic root of 7466278668 is about 1954.4957561225.

The spelling of 7466278668 in words is "seven billion, four hundred sixty-six million, two hundred seventy-eight thousand, six hundred sixty-eight".