7032010021 has 4 divisors (see below), whose sum is σ = 7040254732. Its totient is φ = 7023765312.

The previous prime is 7032010019. The next prime is 7032010039. The reversal of 7032010021 is 1200102307.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1439064225 + 5592945796 = 37935^2 + 74786^2 .

It is a cyclic number.

It is not a de Polignac number, because 7032010021 - 2¹ = 7032010019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7032009977 and 7032010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7032010121) 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 3 ways as a sum of consecutive naturals, for example, 4121076 + ... + 4122781.

It is an arithmetic number, because the mean of its divisors is an integer number (1760063683).

Almost surely, 2^7032010021 is an apocalyptic number.

It is an amenable number.

7032010021 is a deficient number, since it is larger than the sum of its proper divisors (8244711).

7032010021 is an equidigital number, since it uses as much as digits as its factorization.

7032010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244710.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 7032010021 is about 83857.0809234378. The cubic root of 7032010021 is about 1915.8426050168.

Adding to 7032010021 its reverse (1200102307), we get a palindrome (8232112328).

It can be divided in two parts, 703 and 2010021, that added together give a square (2010724 = 1418²).

The spelling of 7032010021 in words is "seven billion, thirty-two million, ten thousand, twenty-one".