7522826 has 4 divisors (see below), whose sum is σ = 11284242. Its totient is φ = 3761412.

The previous prime is 7522813. The next prime is 7522829. The reversal of 7522826 is 6282257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6282257 = 43 ⋅146099.

It can be written as a sum of positive squares in only one way, i.e., 5997601 + 1525225 = 2449^2 + 1235^2 .

It is a super-2 number, since 2×7522826² = 113185822052552, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁸ + 5⁷ + 2² + 2⁴ + 8 + 2⁸ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 7522792 and 7522801.

It is not an unprimeable number, because it can be changed into a prime (7522829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1880705 + ... + 1880708.

Almost surely, 2^7522826 is an apocalyptic number.

7522826 is a deficient number, since it is larger than the sum of its proper divisors (3761416).

7522826 is a wasteful number, since it uses less digits than its factorization.

7522826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761415.

The product of its digits is 13440, while the sum is 32.

The square root of 7522826 is about 2742.7770598428. Note that the first 3 decimals coincide. The cubic root of 7522826 is about 195.9417604279.

The spelling of 7522826 in words is "seven million, five hundred twenty-two thousand, eight hundred twenty-six".