7722704 has 30 divisors (see below), whose sum is σ = 16450770. Its totient is φ = 3509440.

The previous prime is 7722691. The next prime is 7722707. The reversal of 7722704 is 4072277.

It can be written as a sum of positive squares in only one way, i.e., 6512704 + 1210000 = 2552^2 + 1100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7722707) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 59 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (548359).

Almost surely, 2^7722704 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 7722704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8225385).

7722704 is an abundant number, since it is smaller than the sum of its proper divisors (8728066).

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

7722704 is a wasteful number, since it uses less digits than its factorization.

7722704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4002 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 7722704 is about 2778.9753507363. The cubic root of 7722704 is about 197.6619746924.

The spelling of 7722704 in words is "seven million, seven hundred twenty-two thousand, seven hundred four".