7021006 has 4 divisors (see below), whose sum is σ = 10531512. Its totient is φ = 3510502.

The previous prime is 7020991. The next prime is 7021033. The reversal of 7021006 is 6001207.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1755250 + ... + 1755253.

It is an arithmetic number, because the mean of its divisors is an integer number (2632878).

Almost surely, 2^7021006 is an apocalyptic number.

7021006 is a deficient number, since it is larger than the sum of its proper divisors (3510506).

7021006 is a wasteful number, since it uses less digits than its factorization.

7021006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510505.

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

The square root of 7021006 is about 2649.7180982135. The cubic root of 7021006 is about 191.4842749667.

The spelling of 7021006 in words is "seven million, twenty-one thousand, six".