42487306 has 16 divisors (see below), whose sum is σ = 67939200. Its totient is φ = 19869408.

The previous prime is 42487303. The next prime is 42487307. The reversal of 42487306 is 60378424.

It is a super-2 number, since 2×42487306² = 3610342342275272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42487303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4075 + ... + 10078.

It is an arithmetic number, because the mean of its divisors is an integer number (4246200).

Almost surely, 2^42487306 is an apocalyptic number.

42487306 is a deficient number, since it is larger than the sum of its proper divisors (25451894).

42487306 is a wasteful number, since it uses less digits than its factorization.

42487306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 42487306 is about 6518.2287471368. The cubic root of 42487306 is about 348.9418545015.

The spelling of 42487306 in words is "forty-two million, four hundred eighty-seven thousand, three hundred six".