7448665 has 32 divisors (see below), whose sum is σ = 11243520. Its totient is φ = 4618944.

The previous prime is 7448663. The next prime is 7448687. The reversal of 7448665 is 5668447.

It is a cyclic number.

It is not a de Polignac number, because 7448665 - 2¹ = 7448663 is a prime.

It is a super-2 number, since 2×7448665² = 110965220564450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7448663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15052 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (351360).

Almost surely, 2^7448665 is an apocalyptic number.

It is an amenable number.

7448665 is a deficient number, since it is larger than the sum of its proper divisors (3794855).

7448665 is a wasteful number, since it uses less digits than its factorization.

7448665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 161280, while the sum is 40.

The square root of 7448665 is about 2729.2242487564. The cubic root of 7448665 is about 195.2957598239.

It can be divided in two parts, 744 and 8665, that added together give a square (9409 = 97²).

The spelling of 7448665 in words is "seven million, four hundred forty-eight thousand, six hundred sixty-five".