757989 has 6 divisors (see below), whose sum is σ = 1094886. Its totient is φ = 505320.

The previous prime is 757951. The next prime is 757993. The reversal of 757989 is 989757.

757989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 1089 = 870^2 + 33^2 .

It is not a de Polignac number, because 757989 - 2¹⁶ = 692453 is a prime.

It is a Curzon number.

757989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (757909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42102 + ... + 42119.

It is an arithmetic number, because the mean of its divisors is an integer number (182481).

2⁷⁵⁷⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

757989 is a deficient number, since it is larger than the sum of its proper divisors (336897).

757989 is a wasteful number, since it uses less digits than its factorization.

757989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84227 (or 84224 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 757989 is about 870.6256371139. The cubic root of 757989 is about 91.1774904050.

The spelling of 757989 in words is "seven hundred fifty-seven thousand, nine hundred eighty-nine".