7465649 has 4 divisors (see below), whose sum is σ = 7647780. Its totient is φ = 7283520.

The previous prime is 7465631. The next prime is 7465657. The reversal of 7465649 is 9465647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9465647 = 641 ⋅14767.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 5094049 = 1540^2 + 2257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7465649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 182089 = 7465649 / (7 + 4 + 6 + 5 + 6 + 4 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7455649) 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 3 ways as a sum of consecutive naturals, for example, 91004 + ... + 91085.

It is an arithmetic number, because the mean of its divisors is an integer number (1911945).

Almost surely, 2^7465649 is an apocalyptic number.

It is an amenable number.

7465649 is a deficient number, since it is larger than the sum of its proper divisors (182131).

7465649 is a wasteful number, since it uses less digits than its factorization.

7465649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182130.

The product of its digits is 181440, while the sum is 41.

The square root of 7465649 is about 2732.3339839778. Note that the first 3 decimals coincide. The cubic root of 7465649 is about 195.4440810498. Note that the first 3 decimals are identical.

The spelling of 7465649 in words is "seven million, four hundred sixty-five thousand, six hundred forty-nine".