674671487 has 8 divisors (see below), whose sum is σ = 778260096. Its totient is φ = 572884632.

The previous prime is 674671477. The next prime is 674671519. The reversal of 674671487 is 784176476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674671487 - 2⁴ = 674671471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674671447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449633 + ... + 451130.

It is an arithmetic number, because the mean of its divisors is an integer number (97282512).

Almost surely, 2^674671487 is an apocalyptic number.

674671487 is a deficient number, since it is larger than the sum of its proper divisors (103588609).

674671487 is a wasteful number, since it uses less digits than its factorization.

674671487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900877.

The product of its digits is 1580544, while the sum is 50.

The square root of 674671487 is about 25974.4391084774. The cubic root of 674671487 is about 877.0629905432.

The spelling of 674671487 in words is "six hundred seventy-four million, six hundred seventy-one thousand, four hundred eighty-seven".