42491682 has 32 divisors (see below), whose sum is σ = 96033600. Its totient is φ = 13922784.

The previous prime is 42491597. The next prime is 42491689. The reversal of 42491682 is 28619424.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42491689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3483 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (3001050).

Almost surely, 2^42491682 is an apocalyptic number.

42491682 is an abundant number, since it is smaller than the sum of its proper divisors (53541918).

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

42491682 is a wasteful number, since it uses less digits than its factorization.

42491682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407 (or 13401 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 42491682 is about 6518.5644125068. The cubic root of 42491682 is about 348.9538339002.

The spelling of 42491682 in words is "forty-two million, four hundred ninety-one thousand, six hundred eighty-two".