7241645 has 8 divisors (see below), whose sum is σ = 8812800. Its totient is φ = 5711440.

The previous prime is 7241627. The next prime is 7241657. The reversal of 7241645 is 5461427.

7241645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7241645 - 2⁶ = 7241581 is a prime.

It is a super-3 number, since 3×7241645³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9845 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^7241645 is an apocalyptic number.

It is an amenable number.

7241645 is a deficient number, since it is larger than the sum of its proper divisors (1571155).

7241645 is a wasteful number, since it uses less digits than its factorization.

7241645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20475.

The product of its digits is 6720, while the sum is 29.

The square root of 7241645 is about 2691.0304717710. The cubic root of 7241645 is about 193.4694559262.

The spelling of 7241645 in words is "seven million, two hundred forty-one thousand, six hundred forty-five".