7170420771 has 6 divisors (see below), whose sum is σ = 10357274460. Its totient is φ = 4780280508.

The previous prime is 7170420767. The next prime is 7170420797. The reversal of 7170420771 is 1770240717.

It is not a de Polignac number, because 7170420771 - 2² = 7170420767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7170420071) 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, 398356701 + ... + 398356718.

It is an arithmetic number, because the mean of its divisors is an integer number (1726212410).

Almost surely, 2^7170420771 is an apocalyptic number.

7170420771 is a deficient number, since it is larger than the sum of its proper divisors (3186853689).

7170420771 is a wasteful number, since it uses less digits than its factorization.

7170420771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796713425 (or 796713422 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

The square root of 7170420771 is about 84678.3370821605. The cubic root of 7170420771 is about 1928.3308405748.

The spelling of 7170420771 in words is "seven billion, one hundred seventy million, four hundred twenty thousand, seven hundred seventy-one".