736740085 has 4 divisors (see below), whose sum is σ = 884088108. Its totient is φ = 589392064.

The previous prime is 736740083. The next prime is 736740119. The reversal of 736740085 is 580047637.

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 186978276 + 549761809 = 13674^2 + 23447^2 .

It is a cyclic number.

It is not a de Polignac number, because 736740085 - 2¹ = 736740083 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736740083) 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, 73674004 + ... + 73674013.

It is an arithmetic number, because the mean of its divisors is an integer number (221022027).

Almost surely, 2^736740085 is an apocalyptic number.

It is an amenable number.

736740085 is a deficient number, since it is larger than the sum of its proper divisors (147348023).

736740085 is a wasteful number, since it uses less digits than its factorization.

736740085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147348022.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 736740085 is about 27142.9564528258. The cubic root of 736740085 is about 903.1740132721.

The spelling of 736740085 in words is "seven hundred thirty-six million, seven hundred forty thousand, eighty-five".