74087 has 8 divisors (see below), whose sum is σ = 82320. Its totient is φ = 66240.

The previous prime is 74077. The next prime is 74093. The reversal of 74087 is 78047.

It is a Cunningham number, because it is equal to 42³-1.

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 74087 - 2⁴ = 74071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74087.

It is not an unprimeable number, because it can be changed into a prime (74017) 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, 464 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (10290).

2⁷⁴⁰⁸⁷ is an apocalyptic number.

74087 is a deficient number, since it is larger than the sum of its proper divisors (8233).

74087 is a wasteful number, since it uses less digits than its factorization.

74087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 74087 is about 272.1892723823. The cubic root of 74087 is about 41.9998110347. Note that the first 3 decimals are identical.

The spelling of 74087 in words is "seventy-four thousand, eighty-seven".