42364378 has 32 divisors (see below), whose sum is σ = 74638080. Its totient is φ = 17660160.

The previous prime is 42364339. The next prime is 42364379. The reversal of 42364378 is 87346324.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42364379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96283 + ... + 96721.

It is an arithmetic number, because the mean of its divisors is an integer number (2332440).

Almost surely, 2^42364378 is an apocalyptic number.

42364378 is a deficient number, since it is larger than the sum of its proper divisors (32273702).

42364378 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (42364377) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (622).

42364378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its digits is 96768, while the sum is 37.

The square root of 42364378 is about 6508.7923611066. The cubic root of 42364378 is about 348.6049996940.

The spelling of 42364378 in words is "forty-two million, three hundred sixty-four thousand, three hundred seventy-eight".