7321465 has 4 divisors (see below), whose sum is σ = 8785764. Its totient is φ = 5857168.

The previous prime is 7321453. The next prime is 7321469. The reversal of 7321465 is 5641237.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5641237 = 7 ⋅805891.

It can be written as a sum of positive squares in 2 ways, for example, as 3143529 + 4177936 = 1773^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 7321465 - 2¹⁹ = 6797177 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7321469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732142 + ... + 732151.

It is an arithmetic number, because the mean of its divisors is an integer number (2196441).

Almost surely, 2^7321465 is an apocalyptic number.

It is an amenable number.

7321465 is a deficient number, since it is larger than the sum of its proper divisors (1464299).

7321465 is a wasteful number, since it uses less digits than its factorization.

7321465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464298.

The product of its digits is 5040, while the sum is 28.

The square root of 7321465 is about 2705.8205779393. The cubic root of 7321465 is about 194.1776899642.

It can be divided in two parts, 732 and 1465, that multiplied together give a triangular number (1072380 = T₁₄₆₄).

The spelling of 7321465 in words is "seven million, three hundred twenty-one thousand, four hundred sixty-five".