7720667032 has 64 divisors (see below), whose sum is σ = 16232398560. Its totient is φ = 3419366400.

The previous prime is 7720667027. The next prime is 7720667033. The reversal of 7720667032 is 2307660277.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7720667033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245263 + ... + 274945.

Almost surely, 2^7720667032 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 7720667032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8116199280).

7720667032 is an abundant number, since it is smaller than the sum of its proper divisors (8511731528).

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

7720667032 is a wasteful number, since it uses less digits than its factorization.

7720667032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29804 (or 29800 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 7720667032 is about 87867.3263050606. The cubic root of 7720667032 is about 1976.4459448801.

The spelling of 7720667032 in words is "seven billion, seven hundred twenty million, six hundred sixty-seven thousand, thirty-two".