7064421 has 32 divisors (see below), whose sum is σ = 11746560. Its totient is φ = 3677184.

The previous prime is 7064419. The next prime is 7064441. The reversal of 7064421 is 1244607.

7064421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7064421 - 2¹ = 7064419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7064391 and 7064400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7064441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30735 + ... + 30963.

It is an arithmetic number, because the mean of its divisors is an integer number (367080).

Almost surely, 2^7064421 is an apocalyptic number.

It is an amenable number.

7064421 is a deficient number, since it is larger than the sum of its proper divisors (4682139).

7064421 is a wasteful number, since it uses less digits than its factorization.

7064421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7064421 is about 2657.8978535677. The cubic root of 7064421 is about 191.8781507686.

It can be divided in two parts, 70644 and 21, that multiplied together give a square (1483524 = 1218²).

The spelling of 7064421 in words is "seven million, sixty-four thousand, four hundred twenty-one".