674142068 has 6 divisors (see below), whose sum is σ = 1179748626. Its totient is φ = 337071032.

The previous prime is 674142061. The next prime is 674142137. The reversal of 674142068 is 860241476.

674142068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 602604304 + 71537764 = 24548^2 + 8458^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674142061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84267755 + ... + 84267762.

It is an arithmetic number, because the mean of its divisors is an integer number (196624771).

Almost surely, 2^674142068 is an apocalyptic number.

It is an amenable number.

674142068 is a deficient number, since it is larger than the sum of its proper divisors (505606558).

674142068 is a wasteful number, since it uses less digits than its factorization.

674142068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168535521 (or 168535519 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 674142068 is about 25964.2459547740. The cubic root of 674142068 is about 876.8335182106.

The spelling of 674142068 in words is "six hundred seventy-four million, one hundred forty-two thousand, sixty-eight".