42740867 has 8 divisors (see below), whose sum is σ = 47616240. Its totient is φ = 38092320.

The previous prime is 42740851. The next prime is 42740879. The reversal of 42740867 is 76804724.

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 42740867 - 2⁴ = 42740851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42740867.

It is not an unprimeable number, because it can be changed into a prime (42740827) 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, 56309 + ... + 57062.

It is an arithmetic number, because the mean of its divisors is an integer number (5952030).

Almost surely, 2^42740867 is an apocalyptic number.

42740867 is a deficient number, since it is larger than the sum of its proper divisors (4875373).

42740867 is a wasteful number, since it uses less digits than its factorization.

42740867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113413.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 42740867 is about 6537.6499600392. The cubic root of 42740867 is about 349.6346309647.

The spelling of 42740867 in words is "forty-two million, seven hundred forty thousand, eight hundred sixty-seven".