42059378 has 8 divisors (see below), whose sum is σ = 64123500. Its totient is φ = 20684880.

The previous prime is 42059333. The next prime is 42059393. The reversal of 42059378 is 87395024.

It can be written as a sum of positive squares in 2 ways, for example, as 35366809 + 6692569 = 5947^2 + 2587^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172253 + ... + 172496.

Almost surely, 2^42059378 is an apocalyptic number.

42059378 is a deficient number, since it is larger than the sum of its proper divisors (22064122).

42059378 is a wasteful number, since it uses less digits than its factorization.

42059378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344812.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 42059378 is about 6485.3201925580. The cubic root of 42059378 is about 347.7663964885.

The spelling of 42059378 in words is "forty-two million, fifty-nine thousand, three hundred seventy-eight".