757985 has 4 divisors (see below), whose sum is σ = 909588. Its totient is φ = 606384.

The previous prime is 757951. The next prime is 757993. The reversal of 757985 is 589757.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 238144 = 721^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 757985 - 2¹⁰ = 756961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75794 + ... + 75803.

It is an arithmetic number, because the mean of its divisors is an integer number (227397).

2⁷⁵⁷⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

757985 is a deficient number, since it is larger than the sum of its proper divisors (151603).

757985 is a wasteful number, since it uses less digits than its factorization.

757985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151602.

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

The square root of 757985 is about 870.6233399123. The cubic root of 757985 is about 91.1773300199.

The spelling of 757985 in words is "seven hundred fifty-seven thousand, nine hundred eighty-five".