7722536 has 8 divisors (see below), whose sum is σ = 14479770. Its totient is φ = 3861264.

The previous prime is 7722527. The next prime is 7722551. The reversal of 7722536 is 6352277.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 2856100 = 2206^2 + 1690^2 .

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

It is a d-powerful number, because it can be written as 7³ + 7⁸ + 2² + 2¹⁸ + 5⁶ + 3 + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482651 + ... + 482666.

Almost surely, 2^7722536 is an apocalyptic number.

It is an amenable number.

7722536 is a deficient number, since it is larger than the sum of its proper divisors (6757234).

7722536 is a wasteful number, since it uses less digits than its factorization.

7722536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965323 (or 965319 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 7722536 is about 2778.9451236036. The cubic root of 7722536 is about 197.6605413666.

The spelling of 7722536 in words is "seven million, seven hundred twenty-two thousand, five hundred thirty-six".