42801671 has 4 divisors (see below), whose sum is σ = 46692744. Its totient is φ = 38910600.

The previous prime is 42801653. The next prime is 42801673. The reversal of 42801671 is 17610824.

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 42801671 - 2¹⁴ = 42785287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42801673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945520 + ... + 1945541.

It is an arithmetic number, because the mean of its divisors is an integer number (11673186).

Almost surely, 2^42801671 is an apocalyptic number.

42801671 is a deficient number, since it is larger than the sum of its proper divisors (3891073).

42801671 is a wasteful number, since it uses less digits than its factorization.

42801671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891072.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 42801671 is about 6542.2986021734. The cubic root of 42801671 is about 349.8003514434.

The spelling of 42801671 in words is "forty-two million, eight hundred one thousand, six hundred seventy-one".