674860287 has 16 divisors (see below), whose sum is σ = 923150592. Its totient is φ = 438271680.

The previous prime is 674860283. The next prime is 674860309. The reversal of 674860287 is 782068476.

It is not a de Polignac number, because 674860287 - 2² = 674860283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674860283) 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 15 ways as a sum of consecutive naturals, for example, 85648 + ... + 93194.

It is an arithmetic number, because the mean of its divisors is an integer number (57696912).

Almost surely, 2^674860287 is an apocalyptic number.

674860287 is a deficient number, since it is larger than the sum of its proper divisors (248290305).

674860287 is a wasteful number, since it uses less digits than its factorization.

674860287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8318.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 674860287 is about 25978.0731964478. The cubic root of 674860287 is about 877.1447953188.

The spelling of 674860287 in words is "six hundred seventy-four million, eight hundred sixty thousand, two hundred eighty-seven".