7087242021 has 8 divisors (see below), whose sum is σ = 9536350560. Its totient is φ = 4681480752.

The previous prime is 7087242017. The next prime is 7087242059. The reversal of 7087242021 is 1202427807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7087242021 - 2² = 7087242017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7087242061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10836435 + ... + 10837088.

It is an arithmetic number, because the mean of its divisors is an integer number (1192043820).

Almost surely, 2^7087242021 is an apocalyptic number.

It is an amenable number.

7087242021 is a deficient number, since it is larger than the sum of its proper divisors (2449108539).

7087242021 is a wasteful number, since it uses less digits than its factorization.

7087242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21673635.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 7087242021 is about 84185.7590154059. The cubic root of 7087242021 is about 1920.8454411997.

Adding to 7087242021 its reverse (1202427807), we get a palindrome (8289669828).

The spelling of 7087242021 in words is "seven billion, eighty-seven million, two hundred forty-two thousand, twenty-one".