42736918 has 12 divisors (see below), whose sum is σ = 74571732. Its totient is φ = 18315780.

The previous prime is 42736913. The next prime is 42736927. The reversal of 42736918 is 81963724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42736913) 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 5 ways as a sum of consecutive naturals, for example, 217948 + ... + 218143.

It is an arithmetic number, because the mean of its divisors is an integer number (6214311).

Almost surely, 2^42736918 is an apocalyptic number.

42736918 is a deficient number, since it is larger than the sum of its proper divisors (31834814).

42736918 is a wasteful number, since it uses less digits than its factorization.

42736918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436107 (or 436100 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 42736918 is about 6537.3479332219. The cubic root of 42736918 is about 349.6238625847.

The spelling of 42736918 in words is "forty-two million, seven hundred thirty-six thousand, nine hundred eighteen".