7488865 has 8 divisors (see below), whose sum is σ = 9006120. Its totient is φ = 5978112.

The previous prime is 7488863. The next prime is 7488881. The reversal of 7488865 is 5688847.

It can be written as a sum of positive squares in 4 ways, for example, as 349281 + 7139584 = 591^2 + 2672^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7488865 - 2¹ = 7488863 is a prime.

7488865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7488863) 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, 1441 + ... + 4129.

It is an arithmetic number, because the mean of its divisors is an integer number (1125765).

Almost surely, 2^7488865 is an apocalyptic number.

It is an amenable number.

7488865 is a deficient number, since it is larger than the sum of its proper divisors (1517255).

7488865 is a wasteful number, since it uses less digits than its factorization.

7488865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3251.

The product of its digits is 430080, while the sum is 46.

The square root of 7488865 is about 2736.5790688376. The cubic root of 7488865 is about 195.6464628535.

The spelling of 7488865 in words is "seven million, four hundred eighty-eight thousand, eight hundred sixty-five".