916749737 has 4 divisors (see below), whose sum is σ = 916908996. Its totient is φ = 916590480.

The previous prime is 916749731. The next prime is 916749739. The reversal of 916749737 is 737947619.

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 214446736 + 702303001 = 14644^2 + 26501^2 .

It is a cyclic number.

It is not a de Polignac number, because 916749737 - 2¹⁰ = 916748713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916749731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70658 + ... + 82619.

It is an arithmetic number, because the mean of its divisors is an integer number (229227249).

Almost surely, 2^916749737 is an apocalyptic number.

It is an amenable number.

916749737 is a deficient number, since it is larger than the sum of its proper divisors (159259).

916749737 is a wasteful number, since it uses less digits than its factorization.

916749737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159258.

The product of its digits is 2000376, while the sum is 53.

The square root of 916749737 is about 30277.8753713004. The cubic root of 916749737 is about 971.4421235041.

The spelling of 916749737 in words is "nine hundred sixteen million, seven hundred forty-nine thousand, seven hundred thirty-seven".