7064021 has 4 divisors (see below), whose sum is σ = 7069344. Its totient is φ = 7058700.

The previous prime is 7063981. The next prime is 7064039. The reversal of 7064021 is 1204607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7064021 - 2⁶ = 7063957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7063984 and 7064002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7064221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 3926.

It is an arithmetic number, because the mean of its divisors is an integer number (1767336).

Almost surely, 2^7064021 is an apocalyptic number.

It is an amenable number.

7064021 is a deficient number, since it is larger than the sum of its proper divisors (5323).

7064021 is a wasteful number, since it uses less digits than its factorization.

7064021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7064021 is about 2657.8226050660. The cubic root of 7064021 is about 191.8745292069.

Adding to 7064021 its reverse (1204607), we get a palindrome (8268628).

The spelling of 7064021 in words is "seven million, sixty-four thousand, twenty-one".