7448171620 has 24 divisors (see below), whose sum is σ = 15936278904. Its totient is φ = 2923055616.

The previous prime is 7448171617. The next prime is 7448171629. The reversal of 7448171620 is 261718447.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2154445056 + 5293726564 = 46416^2 + 72758^2 .

It is not an unprimeable number, because it can be changed into a prime (7448171629) 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 7 ways as a sum of consecutive naturals, for example, 3512229 + ... + 3514348.

It is an arithmetic number, because the mean of its divisors is an integer number (664011621).

Almost surely, 2^7448171620 is an apocalyptic number.

It is an amenable number.

7448171620 is an abundant number, since it is smaller than the sum of its proper divisors (8488107284).

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

7448171620 is a wasteful number, since it uses less digits than its factorization.

7448171620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026639 (or 7026637 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 7448171620 is about 86302.7903372770. The cubic root of 7448171620 is about 1952.9144776936.

The spelling of 7448171620 in words is "seven billion, four hundred forty-eight million, one hundred seventy-one thousand, six hundred twenty".