7620591993 has 16 divisors (see below), whose sum is σ = 11785651200. Its totient is φ = 4289628816.

The previous prime is 7620591919. The next prime is 7620592009. The reversal of 7620591993 is 3991950267.

It is a happy number.

7620591993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7620591993 - 2²⁰ = 7619543417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7620591593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706693 + ... + 2709506.

It is an arithmetic number, because the mean of its divisors is an integer number (736603200).

Almost surely, 2^7620591993 is an apocalyptic number.

It is an amenable number.

7620591993 is a deficient number, since it is larger than the sum of its proper divisors (4165059207).

7620591993 is a wasteful number, since it uses less digits than its factorization.

7620591993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416276.

The product of its (nonzero) digits is 918540, while the sum is 51.

The square root of 7620591993 is about 87296.0021593200. The cubic root of 7620591993 is about 1967.8692374099.

The spelling of 7620591993 in words is "seven billion, six hundred twenty million, five hundred ninety-one thousand, nine hundred ninety-three".