755987 has 4 divisors (see below), whose sum is σ = 788880. Its totient is φ = 723096.

The previous prime is 755977. The next prime is 756011. The reversal of 755987 is 789557.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 755987 - 2¹⁴ = 739603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16412 + ... + 16457.

It is an arithmetic number, because the mean of its divisors is an integer number (197220).

2⁷⁵⁵⁹⁸⁷ is an apocalyptic number.

755987 is a deficient number, since it is larger than the sum of its proper divisors (32893).

755987 is a wasteful number, since it uses less digits than its factorization.

755987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32892.

The product of its digits is 88200, while the sum is 41.

The square root of 755987 is about 869.4751290290. The cubic root of 755987 is about 91.0971469885.

The spelling of 755987 in words is "seven hundred fifty-five thousand, nine hundred eighty-seven".