7289245 has 4 divisors (see below), whose sum is σ = 8747100. Its totient is φ = 5831392.

The previous prime is 7289239. The next prime is 7289279. The reversal of 7289245 is 5429827.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 6446521 = 918^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 7289245 - 2⁵ = 7289213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728920 + ... + 728929.

It is an arithmetic number, because the mean of its divisors is an integer number (2186775).

Almost surely, 2^7289245 is an apocalyptic number.

It is an amenable number.

7289245 is a deficient number, since it is larger than the sum of its proper divisors (1457855).

7289245 is a wasteful number, since it uses less digits than its factorization.

7289245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457854.

The product of its digits is 40320, while the sum is 37.

The square root of 7289245 is about 2699.8601815650. The cubic root of 7289245 is about 193.8924280521.

The spelling of 7289245 in words is "seven million, two hundred eighty-nine thousand, two hundred forty-five".