42630667 has 4 divisors (see below), whose sum is σ = 44100720. Its totient is φ = 41160616.

The previous prime is 42630659. The next prime is 42630671. The reversal of 42630667 is 76603624.

42630667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42630667 - 2³ = 42630659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42630617) 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 3 ways as a sum of consecutive naturals, for example, 734983 + ... + 735040.

It is an arithmetic number, because the mean of its divisors is an integer number (11025180).

Almost surely, 2^42630667 is an apocalyptic number.

42630667 is a deficient number, since it is larger than the sum of its proper divisors (1470053).

42630667 is a wasteful number, since it uses less digits than its factorization.

42630667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470052.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 42630667 is about 6529.2164154667. The cubic root of 42630667 is about 349.3338813491. Note that the first 3 decimals are identical.

The spelling of 42630667 in words is "forty-two million, six hundred thirty thousand, six hundred sixty-seven".