674987 has 2 divisors, whose sum is σ = 674988. Its totient is φ = 674986.

The previous prime is 674977. The next prime is 675029. The reversal of 674987 is 789476.

674987 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 is a cyclic number.

It is not a de Polignac number, because 674987 - 2⁸ = 674731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (674957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337493 + 337494.

It is an arithmetic number, because the mean of its divisors is an integer number (337494).

2⁶⁷⁴⁹⁸⁷ is an apocalyptic number.

674987 is a deficient number, since it is larger than the sum of its proper divisors (1).

674987 is an equidigital number, since it uses as much as digits as its factorization.

674987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 674987 is about 821.5759246716. The cubic root of 674987 is about 87.7199689986.

It can be divided in two parts, 674 and 987, that added together give a palindrome (1661).

The spelling of 674987 in words is "six hundred seventy-four thousand, nine hundred eighty-seven".