42678526 has 32 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 18849600.

The previous prime is 42678523. The next prime is 42678527. The reversal of 42678526 is 62587624.

Its product of digits (161280) is a multiple of the sum of its prime divisors (480).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42678523) 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, 138865 + ... + 139171.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^42678526 is an apocalyptic number.

42678526 is a deficient number, since it is larger than the sum of its proper divisors (29171714).

42678526 is a wasteful number, since it uses less digits than its factorization.

42678526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 161280, while the sum is 40.

The square root of 42678526 is about 6532.8803754546. The cubic root of 42678526 is about 349.4645581514.

The spelling of 42678526 in words is "forty-two million, six hundred seventy-eight thousand, five hundred twenty-six".