42087365 has 8 divisors (see below), whose sum is σ = 50647680. Its totient is φ = 33574672.

The previous prime is 42087349. The next prime is 42087371. The reversal of 42087365 is 56378024.

It is a happy number.

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 42087365 - 2⁴ = 42087349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9929 + ... + 13518.

It is an arithmetic number, because the mean of its divisors is an integer number (6330960).

Almost surely, 2^42087365 is an apocalyptic number.

It is an amenable number.

42087365 is a deficient number, since it is larger than the sum of its proper divisors (8560315).

42087365 is a wasteful number, since it uses less digits than its factorization.

42087365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23811.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 42087365 is about 6487.4775529477. The cubic root of 42087365 is about 347.8435158737.

The spelling of 42087365 in words is "forty-two million, eighty-seven thousand, three hundred sixty-five".