7487245 has 12 divisors (see below), whose sum is σ = 9141876. Its totient is φ = 5886720.

The previous prime is 7487243. The next prime is 7487261. The reversal of 7487245 is 5427847.

7487245 = 150² + 151² + ... + 295².

It can be written as a sum of positive squares in 6 ways, for example, as 56169 + 7431076 = 237^2 + 2726^2 .

It is not a de Polignac number, because 7487245 - 2¹ = 7487243 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7487243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26505 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (761823).

Almost surely, 2^7487245 is an apocalyptic number.

It is an amenable number.

7487245 is a deficient number, since it is larger than the sum of its proper divisors (1654631).

7487245 is an equidigital number, since it uses as much as digits as its factorization.

7487245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 359 counting only the distinct ones).

The product of its digits is 62720, while the sum is 37.

The square root of 7487245 is about 2736.2830628427. The cubic root of 7487245 is about 195.6323543459.

The spelling of 7487245 in words is "seven million, four hundred eighty-seven thousand, two hundred forty-five".