42417642 has 8 divisors (see below), whose sum is σ = 84835296. Its totient is φ = 14139212.

The previous prime is 42417629. The next prime is 42417643. The reversal of 42417642 is 24671424.

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

42417642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42417643) 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, 3534798 + ... + 3534809.

It is an arithmetic number, because the mean of its divisors is an integer number (10604412).

Almost surely, 2^42417642 is an apocalyptic number.

42417642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42417642 is a wasteful number, since it uses less digits than its factorization.

42417642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069612.

The product of its digits is 10752, while the sum is 30.

The square root of 42417642 is about 6512.8827718607. The cubic root of 42417642 is about 348.7510368541.

The spelling of 42417642 in words is "forty-two million, four hundred seventeen thousand, six hundred forty-two".