42959378 has 32 divisors (see below), whose sum is σ = 81993600. Its totient is φ = 16734480.

The previous prime is 42959369. The next prime is 42959387. The reversal of 42959378 is 87395924.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42959369) and next prime (42959387).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4700 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (2562300).

Almost surely, 2^42959378 is an apocalyptic number.

42959378 is a deficient number, since it is larger than the sum of its proper divisors (39034222).

42959378 is a wasteful number, since it uses less digits than its factorization.

42959378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727 (or 5713 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 42959378 is about 6554.3403939680. The cubic root of 42959378 is about 350.2294495469.

The spelling of 42959378 in words is "forty-two million, nine hundred fifty-nine thousand, three hundred seventy-eight".