675739 has 2 divisors, whose sum is σ = 675740. Its totient is φ = 675738.

The previous prime is 675713. The next prime is 675743. The reversal of 675739 is 937576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 675739 - 2⁷ = 675611 is a prime.

It is a super-2 number, since 2×675739² = 913246392242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 675698 and 675707.

It is not a weakly prime, because it can be changed into another prime (675239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337869 + 337870.

It is an arithmetic number, because the mean of its divisors is an integer number (337870).

2⁶⁷⁵⁷³⁹ is an apocalyptic number.

675739 is a deficient number, since it is larger than the sum of its proper divisors (1).

675739 is an equidigital number, since it uses as much as digits as its factorization.

675739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 37.

The square root of 675739 is about 822.0334543071. The cubic root of 675739 is about 87.7525330503.

The spelling of 675739 in words is "six hundred seventy-five thousand, seven hundred thirty-nine".