7213806608 has 80 divisors (see below), whose sum is σ = 15361368000. Its totient is φ = 3268532736.

The previous prime is 7213806583. The next prime is 7213806619. The reversal of 7213806608 is 8066083127.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957191 + ... + 964697.

It is an arithmetic number, because the mean of its divisors is an integer number (192017100).

Almost surely, 2^7213806608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7213806608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7680684000).

7213806608 is an abundant number, since it is smaller than the sum of its proper divisors (8147561392).

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

7213806608 is a wasteful number, since it uses less digits than its factorization.

7213806608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672 (or 7666 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 7213806608 is about 84934.1309957310. The cubic root of 7213806608 is about 1932.2122527274.

The spelling of 7213806608 in words is "seven billion, two hundred thirteen million, eight hundred six thousand, six hundred eight".