42678313 has 16 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 37497600.

The previous prime is 42678301. The next prime is 42678319. The reversal of 42678313 is 31387624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42678313 - 2⁵ = 42678281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42678319) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22003 + ... + 23863.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^42678313 is an apocalyptic number.

It is an amenable number.

42678313 is a deficient number, since it is larger than the sum of its proper divisors (5584727).

42678313 is a wasteful number, since it uses less digits than its factorization.

42678313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its digits is 24192, while the sum is 34.

The square root of 42678313 is about 6532.8640732836. The cubic root of 42678313 is about 349.4639767812.

The spelling of 42678313 in words is "forty-two million, six hundred seventy-eight thousand, three hundred thirteen".