7170421320 has 80 divisors (see below), whose sum is σ = 24100593660. Its totient is φ = 1912111488.

The previous prime is 7170421319. The next prime is 7170421331. The reversal of 7170421320 is 231240717.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6418893924 + 751527396 = 80118^2 + 27414^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1103307 + ... + 1109786.

Almost surely, 2^7170421320 is an apocalyptic number.

It is an amenable number.

7170421320 is an abundant number, since it is smaller than the sum of its proper divisors (16930172340).

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

7170421320 is a wasteful number, since it uses less digits than its factorization.

7170421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213116 (or 2213103 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 7170421320 is about 84678.3403238396. The cubic root of 7170421320 is about 1928.3308897887.

The spelling of 7170421320 in words is "seven billion, one hundred seventy million, four hundred twenty-one thousand, three hundred twenty".