674286587 has 8 divisors (see below), whose sum is σ = 726366480. Its totient is φ = 622236960.

The previous prime is 674286563. The next prime is 674286629. The reversal of 674286587 is 785682476.

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 674286587 - 2⁶ = 674286523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674286527) 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, 63464 + ... + 73322.

It is an arithmetic number, because the mean of its divisors is an integer number (90795810).

Almost surely, 2^674286587 is an apocalyptic number.

674286587 is a deficient number, since it is larger than the sum of its proper divisors (52079893).

674286587 is a wasteful number, since it uses less digits than its factorization.

674286587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15133.

The product of its digits is 4515840, while the sum is 53.

The square root of 674286587 is about 25967.0288442864. The cubic root of 674286587 is about 876.8961707063.

The spelling of 674286587 in words is "six hundred seventy-four million, two hundred eighty-six thousand, five hundred eighty-seven".