42491713 has 8 divisors (see below), whose sum is σ = 47341440. Its totient is φ = 37806480.

The previous prime is 42491693. The next prime is 42491717. The reversal of 42491713 is 31719424.

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

It is a cyclic number.

It is not a de Polignac number, because 42491713 - 2²⁵ = 8937281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42491717) 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 7 ways as a sum of consecutive naturals, for example, 40578 + ... + 41611.

It is an arithmetic number, because the mean of its divisors is an integer number (5917680).

Almost surely, 2^42491713 is an apocalyptic number.

It is an amenable number.

42491713 is a deficient number, since it is larger than the sum of its proper divisors (4849727).

42491713 is a wasteful number, since it uses less digits than its factorization.

42491713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82247.

The product of its digits is 6048, while the sum is 31.

The square root of 42491713 is about 6518.5667903305. The cubic root of 42491713 is about 348.9539187604.

The spelling of 42491713 in words is "forty-two million, four hundred ninety-one thousand, seven hundred thirteen".