7522006 has 4 divisors (see below), whose sum is σ = 11283012. Its totient is φ = 3761002.

The previous prime is 7522003. The next prime is 7522037. The reversal of 7522006 is 6002257.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522003) 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 as a sum of consecutive naturals, namely, 1880500 + ... + 1880503.

It is an arithmetic number, because the mean of its divisors is an integer number (2820753).

Almost surely, 2^7522006 is an apocalyptic number.

7522006 is a deficient number, since it is larger than the sum of its proper divisors (3761006).

7522006 is a wasteful number, since it uses less digits than its factorization.

7522006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761005.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7522006 is about 2742.6275722380. The cubic root of 7522006 is about 195.9346408480.

The spelling of 7522006 in words is "seven million, five hundred twenty-two thousand, six".