42418773 has 12 divisors (see below), whose sum is σ = 64496640. Its totient is φ = 26790696.

The previous prime is 42418771. The next prime is 42418781. The reversal of 42418773 is 37781424.

It is a happy number.

It is not a de Polignac number, because 42418773 - 2¹ = 42418771 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42418771) 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 11 ways as a sum of consecutive naturals, for example, 123861 + ... + 124202.

It is an arithmetic number, because the mean of its divisors is an integer number (5374720).

Almost surely, 2^42418773 is an apocalyptic number.

It is an amenable number.

42418773 is a deficient number, since it is larger than the sum of its proper divisors (22077867).

42418773 is a wasteful number, since it uses less digits than its factorization.

42418773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248088 (or 248085 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 42418773 is about 6512.9695991921. The cubic root of 42418773 is about 348.7541364600.

The spelling of 42418773 in words is "forty-two million, four hundred eighteen thousand, seven hundred seventy-three".