7475220992 has 30 divisors (see below), whose sum is σ = 14939751849. Its totient is φ = 3736632320.

The previous prime is 7475220967. The next prime is 7475220997. The reversal of 7475220992 is 2990225747.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 5999431936 + 1475789056 = 77456^2 + 38416^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61136.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7475220997) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1954442 + ... + 1958262.

Almost surely, 2^7475220992 is an apocalyptic number.

It is an amenable number.

7475220992 is a deficient number, since it is larger than the sum of its proper divisors (7464530857).

7475220992 is an frugal number, since it uses more digits than its factorization.

7475220992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 7475220992 is about 86459.3603492415. The cubic root of 7475220992 is about 1955.2757413538.

The spelling of 7475220992 in words is "seven billion, four hundred seventy-five million, two hundred twenty thousand, nine hundred ninety-two".