7064321 has 4 divisors (see below), whose sum is σ = 7706544. Its totient is φ = 6422100.

The previous prime is 7064303. The next prime is 7064329. The reversal of 7064321 is 1234607.

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 an emirpimes, since its reverse is a distinct semiprime: 1234607 = 11 ⋅112237.

It is a cyclic number.

It is not a de Polignac number, because 7064321 - 2¹⁸ = 6802177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7064329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321095 + ... + 321116.

It is an arithmetic number, because the mean of its divisors is an integer number (1926636).

Almost surely, 2^7064321 is an apocalyptic number.

It is an amenable number.

7064321 is a deficient number, since it is larger than the sum of its proper divisors (642223).

7064321 is a wasteful number, since it uses less digits than its factorization.

7064321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642222.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7064321 is about 2657.8790416420. The cubic root of 7064321 is about 191.8772453910.

Adding to 7064321 its reverse (1234607), we get a palindrome (8298928).

It can be divided in two parts, 70643 and 21, that multiplied together give a triangular number (1483503 = T₁₇₂₂).

The spelling of 7064321 in words is "seven million, sixty-four thousand, three hundred twenty-one".