7205849 has 4 divisors (see below), whose sum is σ = 8235264. Its totient is φ = 6176436.

The previous prime is 7205843. The next prime is 7205851. The reversal of 7205849 is 9485027.

It is a happy number.

7205849 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9485027 = 1433 ⋅6619.

It is a de Polignac number, because none of the positive numbers 2^k-7205849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7205843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514697 + ... + 514710.

It is an arithmetic number, because the mean of its divisors is an integer number (2058816).

Almost surely, 2^7205849 is an apocalyptic number.

It is an amenable number.

7205849 is a deficient number, since it is larger than the sum of its proper divisors (1029415).

7205849 is a wasteful number, since it uses less digits than its factorization.

7205849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029414.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7205849 is about 2684.3712485422. The cubic root of 7205849 is about 193.1501511704.

The spelling of 7205849 in words is "seven million, two hundred five thousand, eight hundred forty-nine".