42667601 has 4 divisors (see below), whose sum is σ = 42855792. Its totient is φ = 42479412.

The previous prime is 42667577. The next prime is 42667607. The reversal of 42667601 is 10676624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42667601 - 2¹⁰ = 42666577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42667607) 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 3 ways as a sum of consecutive naturals, for example, 93755 + ... + 94208.

It is an arithmetic number, because the mean of its divisors is an integer number (10713948).

Almost surely, 2^42667601 is an apocalyptic number.

It is an amenable number.

42667601 is a deficient number, since it is larger than the sum of its proper divisors (188191).

42667601 is a wasteful number, since it uses less digits than its factorization.

42667601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188190.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 42667601 is about 6532.0441670277. The cubic root of 42667601 is about 349.4347365489.

The spelling of 42667601 in words is "forty-two million, six hundred sixty-seven thousand, six hundred one".