42163737 has 32 divisors (see below), whose sum is σ = 70425600. Its totient is φ = 21798720.

The previous prime is 42163729. The next prime is 42163739. The reversal of 42163737 is 73736124.

It is not a de Polignac number, because 42163737 - 2³ = 42163729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 42163698 and 42163707.

It is not an unprimeable number, because it can be changed into a prime (42163739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80358 + ... + 80880.

It is an arithmetic number, because the mean of its divisors is an integer number (2200800).

Almost surely, 2^42163737 is an apocalyptic number.

It is an amenable number.

42163737 is a deficient number, since it is larger than the sum of its proper divisors (28261863).

42163737 is a wasteful number, since it uses less digits than its factorization.

42163737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its digits is 21168, while the sum is 33.

The square root of 42163737 is about 6493.3609941232. The cubic root of 42163737 is about 348.0537884225.

The spelling of 42163737 in words is "forty-two million, one hundred sixty-three thousand, seven hundred thirty-seven".