42673656 has 16 divisors (see below), whose sum is σ = 106684200. Its totient is φ = 14224544.

The previous prime is 42673649. The next prime is 42673663. The reversal of 42673656 is 65637624.

42673656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42673649) and next prime (42673663).

It is a congruent number.

It is an unprimeable number.

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, 889011 + ... + 889058.

Almost surely, 2^42673656 is an apocalyptic number.

It is an amenable number.

42673656 is an abundant number, since it is smaller than the sum of its proper divisors (64010544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42673656 is a wasteful number, since it uses less digits than its factorization.

42673656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778078 (or 1778074 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 42673656 is about 6532.5076348979. The cubic root of 42673656 is about 349.4512653061.

The spelling of 42673656 in words is "forty-two million, six hundred seventy-three thousand, six hundred fifty-six".