736165 has 8 divisors (see below), whose sum is σ = 914040. Its totient is φ = 568512.

The previous prime is 736159. The next prime is 736181. The reversal of 736165 is 561637.

It is a Cunningham number, because it is equal to 858²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 471969 = 514^2 + 687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 736165 - 2⁷ = 736037 is a prime.

736165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2394 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (114255).

2⁷³⁶¹⁶⁵ is an apocalyptic number.

It is an amenable number.

736165 is a deficient number, since it is larger than the sum of its proper divisors (177875).

736165 is a wasteful number, since it uses less digits than its factorization.

736165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111.

The product of its digits is 3780, while the sum is 28.

The square root of 736165 is about 858.0005827504. Note that the first 3 decimals coincide. The cubic root of 736165 is about 90.2938952070.

The spelling of 736165 in words is "seven hundred thirty-six thousand, one hundred sixty-five".