7064521 has 8 divisors (see below), whose sum is σ = 7288704. Its totient is φ = 6842160.

The previous prime is 7064509. The next prime is 7064527. The reversal of 7064521 is 1254607.

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

It is a cyclic number.

It is not a de Polignac number, because 7064521 - 2¹⁵ = 7031753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7064527) 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, 15726 + ... + 16168.

It is an arithmetic number, because the mean of its divisors is an integer number (911088).

Almost surely, 2^7064521 is an apocalyptic number.

It is an amenable number.

7064521 is a deficient number, since it is larger than the sum of its proper divisors (224183).

7064521 is a wasteful number, since it uses less digits than its factorization.

7064521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 7064521 is about 2657.9166653603. The cubic root of 7064521 is about 191.8790561377.

The spelling of 7064521 in words is "seven million, sixty-four thousand, five hundred twenty-one".