770725 has 6 divisors (see below), whose sum is σ = 955730. Its totient is φ = 616560.

The previous prime is 770669. The next prime is 770741. The reversal of 770725 is 527077.

It is a happy number.

770725 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 3 ways, for example, as 159201 + 611524 = 399^2 + 782^2 .

It is not a de Polignac number, because 770725 - 2⁷ = 770597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 770693 and 770702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15390 + ... + 15439.

2⁷⁷⁰⁷²⁵ is an apocalyptic number.

It is an amenable number.

770725 is a deficient number, since it is larger than the sum of its proper divisors (185005).

770725 is a wasteful number, since it uses less digits than its factorization.

770725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30839 (or 30834 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 770725 is about 877.9094486335. The cubic root of 770725 is about 91.6853221902.

It can be divided in two parts, 77072 and 5, that added together give a palindrome (77077).

The spelling of 770725 in words is "seven hundred seventy thousand, seven hundred twenty-five".