7242636 has 12 divisors (see below), whose sum is σ = 16899512. Its totient is φ = 2414208.

The previous prime is 7242617. The next prime is 7242637. The reversal of 7242636 is 6362427.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 301765 + ... + 301788.

Almost surely, 2^7242636 is an apocalyptic number.

It is an amenable number.

7242636 is an abundant number, since it is smaller than the sum of its proper divisors (9656876).

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

7242636 is a wasteful number, since it uses less digits than its factorization.

7242636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603560 (or 603558 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 7242636 is about 2691.2145956798. The cubic root of 7242636 is about 193.4782807851.

The spelling of 7242636 in words is "seven million, two hundred forty-two thousand, six hundred thirty-six".