738305 has 4 divisors (see below), whose sum is σ = 885972. Its totient is φ = 590640.

The previous prime is 738301. The next prime is 738313. The reversal of 738305 is 503837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503837 = 269 ⋅1873.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 231361 = 712^2 + 481^2 .

It is not a de Polignac number, because 738305 - 2² = 738301 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 738305.

It is not an unprimeable number, because it can be changed into a prime (738301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73826 + ... + 73835.

It is an arithmetic number, because the mean of its divisors is an integer number (221493).

It is a Proth number, since it is equal to 721 ⋅ 2¹⁰ + 1 and 721 < 2¹⁰.

2⁷³⁸³⁰⁵ is an apocalyptic number.

It is an amenable number.

738305 is a deficient number, since it is larger than the sum of its proper divisors (147667).

738305 is a wasteful number, since it uses less digits than its factorization.

738305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147666.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 738305 is about 859.2467631595. The cubic root of 738305 is about 90.3813040539.

The spelling of 738305 in words is "seven hundred thirty-eight thousand, three hundred five".