772424 has 8 divisors (see below), whose sum is σ = 1448310. Its totient is φ = 386208.

The previous prime is 772403. The next prime is 772439. The reversal of 772424 is 424277.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 268324 = 710^2 + 518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 772393 and 772402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48269 + ... + 48284.

2⁷⁷²⁴²⁴ is an apocalyptic number.

It is an amenable number.

772424 is a deficient number, since it is larger than the sum of its proper divisors (675886).

772424 is a wasteful number, since it uses less digits than its factorization.

772424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96559 (or 96555 counting only the distinct ones).

The product of its digits is 3136, while the sum is 26.

The square root of 772424 is about 878.8765556095. The cubic root of 772424 is about 91.7526436686.

The spelling of 772424 in words is "seven hundred seventy-two thousand, four hundred twenty-four", and thus it is an iban number.