674286642 has 24 divisors (see below), whose sum is σ = 1508083200. Its totient is φ = 217511640.

The previous prime is 674286629. The next prime is 674286689. The reversal of 674286642 is 246682476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603642 + ... + 604757.

It is an arithmetic number, because the mean of its divisors is an integer number (62836800).

Almost surely, 2^674286642 is an apocalyptic number.

674286642 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

674286642 is an abundant number, since it is smaller than the sum of its proper divisors (833796558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674286642 is a wasteful number, since it uses less digits than its factorization.

674286642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208438 (or 1208435 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 674286642 is about 25967.0299033216. The cubic root of 674286642 is about 876.8961945485.

The spelling of 674286642 in words is "six hundred seventy-four million, two hundred eighty-six thousand, six hundred forty-two".