42867691 has 8 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 42193320.

The previous prime is 42867683. The next prime is 42867697. The reversal of 42867691 is 19676824.

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 42867691 - 2³ = 42867683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42867697) 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, 33420 + ... + 34678.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^42867691 is an apocalyptic number.

42867691 is a deficient number, since it is larger than the sum of its proper divisors (677909).

42867691 is a wasteful number, since it uses less digits than its factorization.

42867691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769.

The product of its digits is 145152, while the sum is 43.

The square root of 42867691 is about 6547.3422852330. The cubic root of 42867691 is about 349.9801104344.

The spelling of 42867691 in words is "forty-two million, eight hundred sixty-seven thousand, six hundred ninety-one".