42048771 has 4 divisors (see below), whose sum is σ = 56065032. Its totient is φ = 28032512.

The previous prime is 42048719. The next prime is 42048779. The reversal of 42048771 is 17784024.

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 42048771 - 2⁶ = 42048707 is a prime.

It is a super-2 number, since 2×42048771² = 3536198285220882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42048779) 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, 7008126 + ... + 7008131.

It is an arithmetic number, because the mean of its divisors is an integer number (14016258).

Almost surely, 2^42048771 is an apocalyptic number.

42048771 is a deficient number, since it is larger than the sum of its proper divisors (14016261).

42048771 is a wasteful number, since it uses less digits than its factorization.

42048771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016260.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 42048771 is about 6484.5023710382. The cubic root of 42048771 is about 347.7371595028.

The spelling of 42048771 in words is "forty-two million, forty-eight thousand, seven hundred seventy-one".