7428163 has 4 divisors (see below), whose sum is σ = 7504840. Its totient is φ = 7351488.

The previous prime is 7428151. The next prime is 7428173. The reversal of 7428163 is 3618247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7428163 - 2¹⁷ = 7297091 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7428173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38193 + ... + 38386.

It is an arithmetic number, because the mean of its divisors is an integer number (1876210).

Almost surely, 2^7428163 is an apocalyptic number.

7428163 is a deficient number, since it is larger than the sum of its proper divisors (76677).

7428163 is an equidigital number, since it uses as much as digits as its factorization.

7428163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76676.

The product of its digits is 8064, while the sum is 31.

The square root of 7428163 is about 2725.4656482884. The cubic root of 7428163 is about 195.1164152549.

The spelling of 7428163 in words is "seven million, four hundred twenty-eight thousand, one hundred sixty-three".