7645465 has 4 divisors (see below), whose sum is σ = 9174564. Its totient is φ = 6116368.

The previous prime is 7645447. The next prime is 7645483. The reversal of 7645465 is 5645467.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5645467 = 911 ⋅6197.

It is an interprime number because it is at equal distance from previous prime (7645447) and next prime (7645483).

It can be written as a sum of positive squares in 2 ways, for example, as 1430416 + 6215049 = 1196^2 + 2493^2 .

It is a cyclic number.

It is not a de Polignac number, because 7645465 - 2⁵ = 7645433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 764542 + ... + 764551.

It is an arithmetic number, because the mean of its divisors is an integer number (2293641).

Almost surely, 2^7645465 is an apocalyptic number.

It is an amenable number.

7645465 is a deficient number, since it is larger than the sum of its proper divisors (1529099).

7645465 is a wasteful number, since it uses less digits than its factorization.

7645465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529098.

The product of its digits is 100800, while the sum is 37.

The square root of 7645465 is about 2765.0433992977. The cubic root of 7645465 is about 197.0007901915. Note that the first 3 decimals are identical.

The spelling of 7645465 in words is "seven million, six hundred forty-five thousand, four hundred sixty-five".