42143678 has 16 divisors (see below), whose sum is σ = 64943424. Its totient is φ = 20501280.

The previous prime is 42143677. The next prime is 42143701. The reversal of 42143678 is 87634124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15776 + ... + 18252.

It is an arithmetic number, because the mean of its divisors is an integer number (4058964).

Almost surely, 2^42143678 is an apocalyptic number.

42143678 is a deficient number, since it is larger than the sum of its proper divisors (22799746).

42143678 is a wasteful number, since it uses less digits than its factorization.

42143678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707.

The product of its digits is 32256, while the sum is 35.

The square root of 42143678 is about 6491.8162327657. The cubic root of 42143678 is about 347.9985852323.

The spelling of 42143678 in words is "forty-two million, one hundred forty-three thousand, six hundred seventy-eight".