7242549 has 8 divisors (see below), whose sum is σ = 9789312. Its totient is φ = 4762080.

The previous prime is 7242523. The next prime is 7242551. The reversal of 7242549 is 9452427.

7242549 is digitally balanced in base 4, 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 7242549 - 2¹⁵ = 7209781 is a prime.

It is a d-powerful number, because it can be written as 7⁷ + 2⁹ + 4⁹ + 2¹³ + 5⁹ + 4¹¹ + 9³ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16317 + ... + 16754.

It is an arithmetic number, because the mean of its divisors is an integer number (1223664).

Almost surely, 2^7242549 is an apocalyptic number.

It is an amenable number.

7242549 is a deficient number, since it is larger than the sum of its proper divisors (2546763).

7242549 is a wasteful number, since it uses less digits than its factorization.

7242549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33147.

The product of its digits is 20160, while the sum is 33.

The square root of 7242549 is about 2691.1984319258. The cubic root of 7242549 is about 193.4775060820.

It can be divided in two parts, 7 and 242549, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 7242549 in words is "seven million, two hundred forty-two thousand, five hundred forty-nine".