7046421 has 4 divisors (see below), whose sum is σ = 9395232. Its totient is φ = 4697612.

The previous prime is 7046411. The next prime is 7046423. The reversal of 7046421 is 1246407.

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: 1246407 = 3 ⋅415469.

It is a cyclic number.

It is not a de Polignac number, because 7046421 - 2¹⁵ = 7013653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7046391 and 7046400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7046423) 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, 1174401 + ... + 1174406.

It is an arithmetic number, because the mean of its divisors is an integer number (2348808).

Almost surely, 2^7046421 is an apocalyptic number.

It is an amenable number.

7046421 is a deficient number, since it is larger than the sum of its proper divisors (2348811).

7046421 is a wasteful number, since it uses less digits than its factorization.

7046421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348810.

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

The square root of 7046421 is about 2654.5095592218. The cubic root of 7046421 is about 191.7150449607.

The spelling of 7046421 in words is "seven million, forty-six thousand, four hundred twenty-one".