42071653 has 8 divisors (see below), whose sum is σ = 45432800. Its totient is φ = 38728368.

The previous prime is 42071647. The next prime is 42071657. The reversal of 42071653 is 35617024.

42071653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42071653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42071657) 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 7 ways as a sum of consecutive naturals, for example, 658 + ... + 9196.

It is an arithmetic number, because the mean of its divisors is an integer number (5679100).

Almost surely, 2^42071653 is an apocalyptic number.

It is an amenable number.

42071653 is a deficient number, since it is larger than the sum of its proper divisors (3361147).

42071653 is a wasteful number, since it uses less digits than its factorization.

42071653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 42071653 is about 6486.2664915959. The cubic root of 42071653 is about 347.8002249909.

Adding to 42071653 its reverse (35617024), we get a palindrome (77688677).

It can be divided in two parts, 42071 and 653, that added together give a palindrome (42724).

The spelling of 42071653 in words is "forty-two million, seventy-one thousand, six hundred fifty-three".