42919667 has 8 divisors (see below), whose sum is σ = 50377056. Its totient is φ = 35793792.

The previous prime is 42919649. The next prime is 42919691. The reversal of 42919667 is 76691924.

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 42919667 - 2¹⁴ = 42903283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42919697) 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, 82598 + ... + 83115.

It is an arithmetic number, because the mean of its divisors is an integer number (6297132).

Almost surely, 2^42919667 is an apocalyptic number.

42919667 is a deficient number, since it is larger than the sum of its proper divisors (7457389).

42919667 is a wasteful number, since it uses less digits than its factorization.

42919667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165757.

The product of its digits is 163296, while the sum is 44.

The square root of 42919667 is about 6551.3103269499. The cubic root of 42919667 is about 350.1215006739.

The spelling of 42919667 in words is "forty-two million, nine hundred nineteen thousand, six hundred sixty-seven".