755947 has 4 divisors (see below), whose sum is σ = 776416. Its totient is φ = 735480.

The previous prime is 755903. The next prime is 755959. The reversal of 755947 is 749557.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 20431 = 755947 / (7 + 5 + 5 + 9 + 4 + 7).

It is a Duffinian number.

755947 is a lucky number.

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

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 3 ways as a sum of consecutive naturals, for example, 10179 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (194104).

2⁷⁵⁵⁹⁴⁷ is an apocalyptic number.

755947 is a deficient number, since it is larger than the sum of its proper divisors (20469).

755947 is a wasteful number, since it uses less digits than its factorization.

755947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468.

The product of its digits is 44100, while the sum is 37.

The square root of 755947 is about 869.4521263416. The cubic root of 755947 is about 91.0955402809.

The spelling of 755947 in words is "seven hundred fifty-five thousand, nine hundred forty-seven".