772704 has 36 divisors (see below), whose sum is σ = 2198196. Its totient is φ = 257472.

The previous prime is 772703. The next prime is 772721. The reversal of 772704 is 407277.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772703) 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, 1054 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (61061).

2⁷⁷²⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

772704 is an abundant number, since it is smaller than the sum of its proper divisors (1425492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772704 is a wasteful number, since it uses less digits than its factorization.

772704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 772704 is about 879.0358354470. The cubic root of 772704 is about 91.7637289605.

The spelling of 772704 in words is "seven hundred seventy-two thousand, seven hundred four", and thus it is an iban number.