7245642 has 16 divisors (see below), whose sum is σ = 14525280. Its totient is φ = 2409552.

The previous prime is 7245619. The next prime is 7245671. The reversal of 7245642 is 2465427.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1984 + ... + 4292.

It is an arithmetic number, because the mean of its divisors is an integer number (907830).

Almost surely, 2^7245642 is an apocalyptic number.

7245642 is an abundant number, since it is smaller than the sum of its proper divisors (7279638).

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

7245642 is a wasteful number, since it uses less digits than its factorization.

7245642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837.

The product of its digits is 13440, while the sum is 30.

The square root of 7245642 is about 2691.7730216346. The cubic root of 7245642 is about 193.5050443036.

It can be divided in two parts, 7245 and 642, that added together give a palindrome (7887).

The spelling of 7245642 in words is "seven million, two hundred forty-five thousand, six hundred forty-two".