755217 has 16 divisors (see below), whose sum is σ = 1135680. Its totient is φ = 495936.

The previous prime is 755213. The next prime is 755233. The reversal of 755217 is 712557.

It is not a de Polignac number, because 755217 - 2² = 755213 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

755217 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (755213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2073 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2⁷⁵⁵²¹⁷ is an apocalyptic number.

It is an amenable number.

755217 is a deficient number, since it is larger than the sum of its proper divisors (380463).

755217 is a wasteful number, since it uses less digits than its factorization.

755217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its digits is 2450, while the sum is 27.

The square root of 755217 is about 869.0322203463. The cubic root of 755217 is about 91.0662079064.

It can be divided in two parts, 7552 and 17, that added together give a square (7569 = 87²).

The spelling of 755217 in words is "seven hundred fifty-five thousand, two hundred seventeen".