42263686 has 8 divisors (see below), whose sum is σ = 63445824. Its totient is φ = 21115080.

The previous prime is 42263677. The next prime is 42263687. The reversal of 42263686 is 68636224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42263687) 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, 4950 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (7930728).

Almost surely, 2^42263686 is an apocalyptic number.

42263686 is a deficient number, since it is larger than the sum of its proper divisors (21182138).

42263686 is a wasteful number, since it uses less digits than its factorization.

42263686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16766.

The product of its digits is 82944, while the sum is 37.

The square root of 42263686 is about 6501.0526839890. The cubic root of 42263686 is about 348.3285915173.

The spelling of 42263686 in words is "forty-two million, two hundred sixty-three thousand, six hundred eighty-six".