736789 has 4 divisors (see below), whose sum is σ = 746956. Its totient is φ = 726624.

The previous prime is 736787. The next prime is 736793. The reversal of 736789 is 987637.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 396900 + 339889 = 630^2 + 583^2 .

It is a cyclic number.

It is not a de Polignac number, because 736789 - 2¹ = 736787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736787) 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, 4974 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (186739).

2⁷³⁶⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

736789 is a deficient number, since it is larger than the sum of its proper divisors (10167).

736789 is a wasteful number, since it uses less digits than its factorization.

736789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166.

The product of its digits is 63504, while the sum is 40.

The square root of 736789 is about 858.3641418419. The cubic root of 736789 is about 90.3194001225.

The spelling of 736789 in words is "seven hundred thirty-six thousand, seven hundred eighty-nine".