7484827021 has 16 divisors (see below), whose sum is σ = 8686387584. Its totient is φ = 6316648704.

The previous prime is 7484827019. The next prime is 7484827027. The reversal of 7484827021 is 1207284847.

It is a cyclic number.

It is not a de Polignac number, because 7484827021 - 2¹ = 7484827019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7484827027) 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 15 ways as a sum of consecutive naturals, for example, 287481 + ... + 312433.

It is an arithmetic number, because the mean of its divisors is an integer number (542899224).

Almost surely, 2^7484827021 is an apocalyptic number.

It is an amenable number.

7484827021 is a deficient number, since it is larger than the sum of its proper divisors (1201560563).

7484827021 is a wasteful number, since it uses less digits than its factorization.

7484827021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25620.

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 7484827021 is about 86514.8947927465. The cubic root of 7484827021 is about 1956.1129248868.

The spelling of 7484827021 in words is "seven billion, four hundred eighty-four million, eight hundred twenty-seven thousand, twenty-one".