772425 has 18 divisors (see below), whose sum is σ = 1383902. Its totient is φ = 411840.

The previous prime is 772403. The next prime is 772439. The reversal of 772425 is 524277.

772425 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 20736 + 751689 = 144^2 + 867^2 .

It is not a de Polignac number, because 772425 - 2⁵ = 772393 is a prime.

It is a Duffinian number.

772425 is a lucky number.

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 772425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1492 + ... + 1941.

2⁷⁷²⁴²⁵ is an apocalyptic number.

772425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

772425 is a deficient number, since it is larger than the sum of its proper divisors (611477).

772425 is a wasteful number, since it uses less digits than its factorization.

772425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3441 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 772425 is about 878.8771245174. The cubic root of 772425 is about 91.7526832636.

The spelling of 772425 in words is "seven hundred seventy-two thousand, four hundred twenty-five".