42563786 has 8 divisors (see below), whose sum is σ = 63876384. Its totient is φ = 21271660.

The previous prime is 42563783. The next prime is 42563789. The reversal of 42563786 is 68736524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42563783) and next prime (42563789).

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

It is not an unprimeable number, because it can be changed into a prime (42563783) 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, 2141 + ... + 9471.

It is an arithmetic number, because the mean of its divisors is an integer number (7984548).

Almost surely, 2^42563786 is an apocalyptic number.

42563786 is a deficient number, since it is larger than the sum of its proper divisors (21312598).

42563786 is a wasteful number, since it uses less digits than its factorization.

42563786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236.

The product of its digits is 241920, while the sum is 41.

The square root of 42563786 is about 6524.0927338596. The cubic root of 42563786 is about 349.1511019112.

The spelling of 42563786 in words is "forty-two million, five hundred sixty-three thousand, seven hundred eighty-six".