675741749 has 2 divisors, whose sum is σ = 675741750. Its totient is φ = 675741748.

The previous prime is 675741743. The next prime is 675741791. The reversal of 675741749 is 947147576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661415524 + 14326225 = 25718^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 675741749 - 2¹⁶ = 675676213 is a prime.

It is a super-2 number, since 2×675741749² = 913253822683158002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 675741697 and 675741706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675741743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337870874 + 337870875.

It is an arithmetic number, because the mean of its divisors is an integer number (337870875).

Almost surely, 2^675741749 is an apocalyptic number.

It is an amenable number.

675741749 is a deficient number, since it is larger than the sum of its proper divisors (1).

675741749 is an equidigital number, since it uses as much as digits as its factorization.

675741749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 50.

The square root of 675741749 is about 25995.0331602020. The cubic root of 675741749 is about 877.5265204659.

The spelling of 675741749 in words is "six hundred seventy-five million, seven hundred forty-one thousand, seven hundred forty-nine".