42791683 has 8 divisors (see below), whose sum is σ = 47447856. Its totient is φ = 38263200.

The previous prime is 42791681. The next prime is 42791689. The reversal of 42791683 is 38619724.

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 42791683 - 2¹ = 42791681 is a prime.

It is a super-2 number, since 2×42791683² = 3662256267944978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42791681) 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, 31216 + ... + 32557.

It is an arithmetic number, because the mean of its divisors is an integer number (5930982).

Almost surely, 2^42791683 is an apocalyptic number.

42791683 is a deficient number, since it is larger than the sum of its proper divisors (4656173).

42791683 is a wasteful number, since it uses less digits than its factorization.

42791683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63845.

The product of its digits is 72576, while the sum is 40.

The square root of 42791683 is about 6541.5352173630. The cubic root of 42791683 is about 349.7731400625.

The spelling of 42791683 in words is "forty-two million, seven hundred ninety-one thousand, six hundred eighty-three".