775725 has 12 divisors (see below), whose sum is σ = 1282656. Its totient is φ = 413680.

The previous prime is 775711. The next prime is 775729. The reversal of 775725 is 527577.

It is not a de Polignac number, because 775725 - 2⁶ = 775661 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 775725.

It is not an unprimeable number, because it can be changed into a prime (775729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5097 + ... + 5246.

It is an arithmetic number, because the mean of its divisors is an integer number (106888).

2⁷⁷⁵⁷²⁵ is an apocalyptic number.

775725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

775725 is a deficient number, since it is larger than the sum of its proper divisors (506931).

775725 is a wasteful number, since it uses less digits than its factorization.

775725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356 (or 10351 counting only the distinct ones).

The product of its digits is 17150, while the sum is 33.

The square root of 775725 is about 880.7525191562. The cubic root of 775725 is about 91.8831613834.

It can be divided in two parts, 77572 and 5, that added together give a palindrome (77577).

The spelling of 775725 in words is "seven hundred seventy-five thousand, seven hundred twenty-five".