42712378 has 8 divisors (see below), whose sum is σ = 65431872. Its totient is φ = 20901756.

The previous prime is 42712343. The next prime is 42712379. The reversal of 42712378 is 87321724.

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

It is not an unprimeable number, because it can be changed into a prime (42712379) 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, 227100 + ... + 227287.

It is an arithmetic number, because the mean of its divisors is an integer number (8178984).

Almost surely, 2^42712378 is an apocalyptic number.

42712378 is a deficient number, since it is larger than the sum of its proper divisors (22719494).

42712378 is a wasteful number, since it uses less digits than its factorization.

42712378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454436.

The product of its digits is 18816, while the sum is 34.

The square root of 42712378 is about 6535.4707558063. The cubic root of 42712378 is about 349.5569305058.

The spelling of 42712378 in words is "forty-two million, seven hundred twelve thousand, three hundred seventy-eight".