42792163 has 4 divisors (see below), whose sum is σ = 43430920. Its totient is φ = 42153408.

The previous prime is 42792157. The next prime is 42792173. The reversal of 42792163 is 36129724.

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 42792163 - 2¹³ = 42783971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42792133) 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, 319278 + ... + 319411.

It is an arithmetic number, because the mean of its divisors is an integer number (10857730).

Almost surely, 2^42792163 is an apocalyptic number.

42792163 is a deficient number, since it is larger than the sum of its proper divisors (638757).

42792163 is an equidigital number, since it uses as much as digits as its factorization.

42792163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638756.

The product of its digits is 18144, while the sum is 34.

The square root of 42792163 is about 6541.5719058954. The cubic root of 42792163 is about 349.7744478749.

The spelling of 42792163 in words is "forty-two million, seven hundred ninety-two thousand, one hundred sixty-three".