736465 has 4 divisors (see below), whose sum is σ = 883764. Its totient is φ = 589168.

The previous prime is 736447. The next prime is 736469. The reversal of 736465 is 564637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564637 = 97 ⋅5821.

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 207936 = 727^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 736465 - 2⁵ = 736433 is a prime.

It is a super-3 number, since 3×736465³ = 1198333198336033875, which contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736469) 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 3 ways as a sum of consecutive naturals, for example, 73642 + ... + 73651.

It is an arithmetic number, because the mean of its divisors is an integer number (220941).

2⁷³⁶⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

736465 is a deficient number, since it is larger than the sum of its proper divisors (147299).

736465 is a wasteful number, since it uses less digits than its factorization.

736465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147298.

The product of its digits is 15120, while the sum is 31.

The square root of 736465 is about 858.1753899990. The cubic root of 736465 is about 90.3061589838.

It can be divided in two parts, 7 and 36465, that multiplied together give a triangular number (255255 = T₇₁₄).

The spelling of 736465 in words is "seven hundred thirty-six thousand, four hundred sixty-five".