674537 has 2 divisors, whose sum is σ = 674538. Its totient is φ = 674536.

The previous prime is 674533. The next prime is 674551. The reversal of 674537 is 735476.

674537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 72361 = 776^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 674537 - 2² = 674533 is a prime.

It is a super-3 number, since 3×674537³ = 920743337618916459, which contains 333 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 674537.

It is not a weakly prime, because it can be changed into another prime (674533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337268 + 337269.

It is an arithmetic number, because the mean of its divisors is an integer number (337269).

2⁶⁷⁴⁵³⁷ is an apocalyptic number.

It is an amenable number.

674537 is a deficient number, since it is larger than the sum of its proper divisors (1).

674537 is an equidigital number, since it uses as much as digits as its factorization.

674537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 32.

The square root of 674537 is about 821.3020150955. The cubic root of 674537 is about 87.7004709631.

The spelling of 674537 in words is "six hundred seventy-four thousand, five hundred thirty-seven".