7204149 has 12 divisors (see below), whose sum is σ = 10429900. Its totient is φ = 4791744.

The previous prime is 7204147. The next prime is 7204163. The reversal of 7204149 is 9414027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 777924 + 6426225 = 882^2 + 2535^2 .

It is not a de Polignac number, because 7204149 - 2¹ = 7204147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7204147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5817 + ... + 6945.

Almost surely, 2^7204149 is an apocalyptic number.

It is an amenable number.

7204149 is a deficient number, since it is larger than the sum of its proper divisors (3225751).

7204149 is a wasteful number, since it uses less digits than its factorization.

7204149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7204149 is about 2684.0545821574. The cubic root of 7204149 is about 193.1349606827.

The spelling of 7204149 in words is "seven million, two hundred four thousand, one hundred forty-nine".