7050021 has 8 divisors (see below), whose sum is σ = 10254624. Its totient is φ = 4272720.

The previous prime is 7050013. The next prime is 7050031. The reversal of 7050021 is 1200507.

It is a happy number.

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

It is not a de Polignac number, because 7050021 - 2³ = 7050013 is a prime.

It is a super-2 number, since 2×7050021² = 99405592200882, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7050031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106786 + ... + 106851.

It is an arithmetic number, because the mean of its divisors is an integer number (1281828).

Almost surely, 2^7050021 is an apocalyptic number.

It is an amenable number.

7050021 is a deficient number, since it is larger than the sum of its proper divisors (3204603).

7050021 is a wasteful number, since it uses less digits than its factorization.

7050021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213651.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 7050021 is about 2655.1875639962. The cubic root of 7050021 is about 191.7476883249.

Adding to 7050021 its reverse (1200507), we get a palindrome (8250528).

The spelling of 7050021 in words is "seven million, fifty thousand, twenty-one".