42694671 has 8 divisors (see below), whose sum is σ = 56956464. Its totient is φ = 28448000.

The previous prime is 42694637. The next prime is 42694679. The reversal of 42694671 is 17649624.

It is a happy number.

42694671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42694671 - 2¹⁵ = 42661903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42694679) 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 7 ways as a sum of consecutive naturals, for example, 8671 + ... + 12671.

It is an arithmetic number, because the mean of its divisors is an integer number (7119558).

Almost surely, 2^42694671 is an apocalyptic number.

42694671 is a deficient number, since it is larger than the sum of its proper divisors (14261793).

42694671 is a wasteful number, since it uses less digits than its factorization.

42694671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its digits is 72576, while the sum is 39.

The square root of 42694671 is about 6534.1159310193. The cubic root of 42694671 is about 349.5086192950.

It can be divided in two parts, 42694 and 671, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 42694671 in words is "forty-two million, six hundred ninety-four thousand, six hundred seventy-one".