674737137 has 12 divisors (see below), whose sum is σ = 974870260. Its totient is φ = 449709408.

The previous prime is 674737127. The next prime is 674737153. The reversal of 674737137 is 731737476.

It can be written as a sum of positive squares in 2 ways, for example, as 549386721 + 125350416 = 23439^2 + 11196^2 .

It is not a de Polignac number, because 674737137 - 2⁶ = 674737073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674737092 and 674737101.

It is not an unprimeable number, because it can be changed into a prime (674737127) 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 11 ways as a sum of consecutive naturals, for example, 42039 + ... + 55827.

Almost surely, 2^674737137 is an apocalyptic number.

It is an amenable number.

674737137 is a deficient number, since it is larger than the sum of its proper divisors (300133123).

674737137 is a wasteful number, since it uses less digits than its factorization.

674737137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19232 (or 19229 counting only the distinct ones).

The product of its digits is 518616, while the sum is 45.

The square root of 674737137 is about 25975.7028201356. The cubic root of 674737137 is about 877.0914376313.

The spelling of 674737137 in words is "six hundred seventy-four million, seven hundred thirty-seven thousand, one hundred thirty-seven".