42310686 has 32 divisors (see below), whose sum is σ = 92550528. Its totient is φ = 12788640.

The previous prime is 42310657. The next prime is 42310693. The reversal of 42310686 is 68601324.

It is a Curzon number.

It is a congruent 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, 41940 + ... + 42936.

It is an arithmetic number, because the mean of its divisors is an integer number (2892204).

Almost surely, 2^42310686 is an apocalyptic number.

42310686 is an abundant number, since it is smaller than the sum of its proper divisors (50239842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42310686 is a wasteful number, since it uses less digits than its factorization.

42310686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42310686 is about 6504.6664787674. Note that the first 3 decimals coincide. The cubic root of 42310686 is about 348.4576651216.

The spelling of 42310686 in words is "forty-two million, three hundred ten thousand, six hundred eighty-six".