7063421 has 8 divisors (see below), whose sum is σ = 7562400. Its totient is φ = 6577200.

The previous prime is 7063403. The next prime is 7063429. The reversal of 7063421 is 1243607.

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 7063421 - 2²² = 2869117 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7063429) 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, 2030 + ... + 4271.

It is an arithmetic number, because the mean of its divisors is an integer number (945300).

Almost surely, 2^7063421 is an apocalyptic number.

It is an amenable number.

7063421 is a deficient number, since it is larger than the sum of its proper divisors (498979).

7063421 is a wasteful number, since it uses less digits than its factorization.

7063421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379.

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

The square root of 7063421 is about 2657.7097283187. The cubic root of 7063421 is about 191.8690966081.

The spelling of 7063421 in words is "seven million, sixty-three thousand, four hundred twenty-one".