42164007 has 4 divisors (see below), whose sum is σ = 56218680. Its totient is φ = 28109336.

The previous prime is 42163981. The next prime is 42164039. The reversal of 42164007 is 70046124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42164007 - 2⁶ = 42163943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42164047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7027332 + ... + 7027337.

It is an arithmetic number, because the mean of its divisors is an integer number (14054670).

Almost surely, 2^42164007 is an apocalyptic number.

42164007 is a deficient number, since it is larger than the sum of its proper divisors (14054673).

42164007 is a wasteful number, since it uses less digits than its factorization.

42164007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14054672.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42164007 is about 6493.3817845557. The cubic root of 42164007 is about 348.0545313541.

The spelling of 42164007 in words is "forty-two million, one hundred sixty-four thousand, seven".