42486717 has 32 divisors (see below), whose sum is σ = 73400320. Its totient is φ = 21228480.

The previous prime is 42486677. The next prime is 42486733. The reversal of 42486717 is 71768424.

42486717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42486717 - 2¹¹ = 42484669 is a prime.

It is a super-2 number, since 2×42486717² = 3610242242876178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42486737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092 + ... + 9282.

It is an arithmetic number, because the mean of its divisors is an integer number (2293760).

Almost surely, 2^42486717 is an apocalyptic number.

It is an amenable number.

42486717 is a deficient number, since it is larger than the sum of its proper divisors (30913603).

42486717 is a wasteful number, since it uses less digits than its factorization.

42486717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233.

The product of its digits is 75264, while the sum is 39.

The square root of 42486717 is about 6518.1835659944. The cubic root of 42486717 is about 348.9402420379.

The spelling of 42486717 in words is "forty-two million, four hundred eighty-six thousand, seven hundred seventeen".