42646342 has 8 divisors (see below), whose sum is σ = 64362456. Its totient is φ = 21192192.

The previous prime is 42646267. The next prime is 42646349. The reversal of 42646342 is 24364624.

42646342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42646349) 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, 65083 + ... + 65734.

It is an arithmetic number, because the mean of its divisors is an integer number (8045307).

Almost surely, 2^42646342 is an apocalyptic number.

42646342 is a deficient number, since it is larger than the sum of its proper divisors (21716114).

42646342 is a wasteful number, since it uses less digits than its factorization.

42646342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130982.

The product of its digits is 27648, while the sum is 31.

The square root of 42646342 is about 6530.4166788958. The cubic root of 42646342 is about 349.3766919827.

The spelling of 42646342 in words is "forty-two million, six hundred forty-six thousand, three hundred forty-two".