42164751 has 8 divisors (see below), whose sum is σ = 56412720. Its totient is φ = 28013312.

The previous prime is 42164723. The next prime is 42164761. The reversal of 42164751 is 15746124.

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

It is a cyclic number.

It is not a de Polignac number, because 42164751 - 2¹⁰ = 42163727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164711) 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 7 ways as a sum of consecutive naturals, for example, 23106 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (7051590).

Almost surely, 2^42164751 is an apocalyptic number.

42164751 is a deficient number, since it is larger than the sum of its proper divisors (14247969).

42164751 is a wasteful number, since it uses less digits than its factorization.

42164751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48265.

The product of its digits is 6720, while the sum is 30.

The square root of 42164751 is about 6493.4390734032. The cubic root of 42164751 is about 348.0565785271.

The spelling of 42164751 in words is "forty-two million, one hundred sixty-four thousand, seven hundred fifty-one".