7522426 has 16 divisors (see below), whose sum is σ = 12182400. Its totient is φ = 3473008.

The previous prime is 7522409. The next prime is 7522439. The reversal of 7522426 is 6242257.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7522394 and 7522403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (761400).

Almost surely, 2^7522426 is an apocalyptic number.

7522426 is a deficient number, since it is larger than the sum of its proper divisors (4659974).

7522426 is a wasteful number, since it uses less digits than its factorization.

7522426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its digits is 6720, while the sum is 28.

The square root of 7522426 is about 2742.7041400778. The cubic root of 7522426 is about 195.9382875267.

The spelling of 7522426 in words is "seven million, five hundred twenty-two thousand, four hundred twenty-six".