42874387 has 8 divisors (see below), whose sum is σ = 44193600. Its totient is φ = 41572224.

The previous prime is 42874373. The next prime is 42874409. The reversal of 42874387 is 78347824.

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 42874387 - 2¹¹ = 42872339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42874367) 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, 939 + ... + 9307.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^42874387 is an apocalyptic number.

42874387 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42874387 is a deficient number, since it is larger than the sum of its proper divisors (1319213).

42874387 is a wasteful number, since it uses less digits than its factorization.

42874387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525.

The product of its digits is 301056, while the sum is 43.

The square root of 42874387 is about 6547.8536177896. The cubic root of 42874387 is about 349.9983319648.

The spelling of 42874387 in words is "forty-two million, eight hundred seventy-four thousand, three hundred eighty-seven".