7972163 has 4 divisors (see below), whose sum is σ = 8166648. Its totient is φ = 7777680.

The previous prime is 7972147. The next prime is 7972183. The reversal of 7972163 is 3612797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3612797 = 41 ⋅88117.

It is a cyclic number.

It is not a de Polignac number, because 7972163 - 2⁴ = 7972147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7972103) 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, 97181 + ... + 97262.

It is an arithmetic number, because the mean of its divisors is an integer number (2041662).

Almost surely, 2^7972163 is an apocalyptic number.

7972163 is a deficient number, since it is larger than the sum of its proper divisors (194485).

7972163 is a wasteful number, since it uses less digits than its factorization.

7972163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194484.

The product of its digits is 15876, while the sum is 35.

The square root of 7972163 is about 2823.5019036650. The cubic root of 7972163 is about 199.7677554167.

The spelling of 7972163 in words is "seven million, nine hundred seventy-two thousand, one hundred sixty-three".