7722512 has 60 divisors (see below), whose sum is σ = 18141696. Its totient is φ = 3119040.

The previous prime is 7722479. The next prime is 7722527. The reversal of 7722512 is 2152277.

7722512 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 7⁴ + 7⁸ + 2³ + 2⁷ + 5⁹ + 1 + 2¹¹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40337 + ... + 40527.

Almost surely, 2^7722512 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 7722512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9070848).

7722512 is an abundant number, since it is smaller than the sum of its proper divisors (10419184).

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

7722512 is a wasteful number, since it uses less digits than its factorization.

7722512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 219 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 7722512 is about 2778.9408054149. The cubic root of 7722512 is about 197.6603366041.

Adding to 7722512 its reverse (2152277), we get a palindrome (9874789).

The spelling of 7722512 in words is "seven million, seven hundred twenty-two thousand, five hundred twelve".