6771620634 has 32 divisors (see below), whose sum is σ = 14403036480. Its totient is φ = 2116357632.

The previous prime is 6771620623. The next prime is 6771620677. The reversal of 6771620634 is 4360261776.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295129 + ... + 317244.

It is an arithmetic number, because the mean of its divisors is an integer number (450094890).

Almost surely, 2^6771620634 is an apocalyptic number.

6771620634 is an abundant number, since it is smaller than the sum of its proper divisors (7631415846).

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

6771620634 is a wasteful number, since it uses less digits than its factorization.

6771620634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612494.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 6771620634 is about 82289.8574187609. The cubic root of 6771620634 is about 1891.8972236915.

The spelling of 6771620634 in words is "six billion, seven hundred seventy-one million, six hundred twenty thousand, six hundred thirty-four".