772604 has 24 divisors (see below), whose sum is σ = 1585248. Its totient is φ = 322560.

The previous prime is 772591. The next prime is 772619. The reversal of 772604 is 406277.

It is a congruent number.

It is an unprimeable number.

772604 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812 + ... + 1484.

It is an arithmetic number, because the mean of its divisors is an integer number (66052).

2⁷⁷²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792624).

772604 is an abundant number, since it is smaller than the sum of its proper divisors (812644).

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

772604 is a wasteful number, since it uses less digits than its factorization.

772604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 772604 is about 878.9789531041. The cubic root of 772604 is about 91.7597702351.

The spelling of 772604 in words is "seven hundred seventy-two thousand, six hundred four".