42417764 has 6 divisors (see below), whose sum is σ = 74231094. Its totient is φ = 21208880.

The previous prime is 42417763. The next prime is 42417787. The reversal of 42417764 is 46771424.

42417764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 23425600 + 18992164 = 4840^2 + 4358^2 .

It is not an unprimeable number, because it can be changed into a prime (42417763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5302217 + ... + 5302224.

It is an arithmetic number, because the mean of its divisors is an integer number (12371849).

Almost surely, 2^42417764 is an apocalyptic number.

It is an amenable number.

42417764 is a deficient number, since it is larger than the sum of its proper divisors (31813330).

42417764 is a wasteful number, since it uses less digits than its factorization.

42417764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604445 (or 10604443 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 42417764 is about 6512.8921379062. The cubic root of 42417764 is about 348.7513712086.

The spelling of 42417764 in words is "forty-two million, four hundred seventeen thousand, seven hundred sixty-four".