674218140 has 48 divisors (see below), whose sum is σ = 1889341440. Its totient is φ = 179645760.

The previous prime is 674218133. The next prime is 674218157. The reversal of 674218140 is 41812476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84441 + ... + 92079.

It is an arithmetic number, because the mean of its divisors is an integer number (39361280).

Almost surely, 2^674218140 is an apocalyptic number.

674218140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

674218140 is an abundant number, since it is smaller than the sum of its proper divisors (1215123300).

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

674218140 is a wasteful number, since it uses less digits than its factorization.

674218140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122 (or 9120 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 674218140 is about 25965.7108510435. The cubic root of 674218140 is about 876.8664983858.

The spelling of 674218140 in words is "six hundred seventy-four million, two hundred eighteen thousand, one hundred forty".