7428343 has 8 divisors (see below), whose sum is σ = 8036336. Its totient is φ = 6825600.

The previous prime is 7428341. The next prime is 7428349. The reversal of 7428343 is 3438247.

It is a happy number.

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 7428343 - 2¹ = 7428341 is a prime.

It is a d-powerful number, because it can be written as 7⁴ + 4³ + 2 + 8 + 3¹³ + 4¹⁰ + 3¹⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428341) 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, 1948 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (1004542).

Almost surely, 2^7428343 is an apocalyptic number.

7428343 is a deficient number, since it is larger than the sum of its proper divisors (607993).

7428343 is a wasteful number, since it uses less digits than its factorization.

7428343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its digits is 16128, while the sum is 31.

The square root of 7428343 is about 2725.4986699685. The cubic root of 7428343 is about 195.1179912691.

The spelling of 7428343 in words is "seven million, four hundred twenty-eight thousand, three hundred forty-three".