42606667 has 4 divisors (see below), whose sum is σ = 43645896. Its totient is φ = 41567440.

The previous prime is 42606659. The next prime is 42606677. The reversal of 42606667 is 76660624.

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

It is not a de Polignac number, because 42606667 - 2³ = 42606659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42606677) 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, 519553 + ... + 519634.

It is an arithmetic number, because the mean of its divisors is an integer number (10911474).

Almost surely, 2^42606667 is an apocalyptic number.

42606667 is a deficient number, since it is larger than the sum of its proper divisors (1039229).

42606667 is a wasteful number, since it uses less digits than its factorization.

42606667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039228.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 42606667 is about 6527.3782638974. The cubic root of 42606667 is about 349.2683136286.

The spelling of 42606667 in words is "forty-two million, six hundred six thousand, six hundred sixty-seven".