42065624 has 16 divisors (see below), whose sum is σ = 78942600. Its totient is φ = 21014272.

The previous prime is 42065603. The next prime is 42065629. The reversal of 42065624 is 42656024.

42065624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42065629) 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 in 3 ways as a sum of consecutive naturals, for example, 14504 + ... + 17160.

Almost surely, 2^42065624 is an apocalyptic number.

It is an amenable number.

42065624 is a deficient number, since it is larger than the sum of its proper divisors (36876976).

42065624 is a wasteful number, since it uses less digits than its factorization.

42065624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642 (or 4638 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 42065624 is about 6485.8017237655. The cubic root of 42065624 is about 347.7836105757.

The spelling of 42065624 in words is "forty-two million, sixty-five thousand, six hundred twenty-four".