7443421427 has 8 divisors (see below), whose sum is σ = 8018176320. Its totient is φ = 6868978560.

The previous prime is 7443421379. The next prime is 7443421429. The reversal of 7443421427 is 7241243447.

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 7443421427 - 2²⁰ = 7442372851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7443421429) 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, 27227 + ... + 125012.

It is an arithmetic number, because the mean of its divisors is an integer number (1002272040).

Almost surely, 2^7443421427 is an apocalyptic number.

7443421427 is a deficient number, since it is larger than the sum of its proper divisors (574754893).

7443421427 is a wasteful number, since it uses less digits than its factorization.

7443421427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156013.

The product of its digits is 150528, while the sum is 38.

The square root of 7443421427 is about 86275.2654414926. The cubic root of 7443421427 is about 1952.4992217095.

The spelling of 7443421427 in words is "seven billion, four hundred forty-three million, four hundred twenty-one thousand, four hundred twenty-seven".