674477842756 has 27 divisors (see below), whose sum is σ = 1185338673183. Its totient is φ = 335815667400.

The previous prime is 674477842733. The next prime is 674477842781. The reversal of 674477842756 is 657248774476.

It is a happy number.

The square root of 674477842756 is 821266.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674477842691 and 674477842700.

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 8 ways as a sum of consecutive naturals, for example, 464835831 + ... + 464837281.

Almost surely, 2^674477842756 is an apocalyptic number.

674477842756 is the 821266-th square number.

It is an amenable number.

674477842756 is a deficient number, since it is larger than the sum of its proper divisors (510860830427).

674477842756 is an frugal number, since it uses more digits than its factorization.

674477842756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472 (or 1736 counting only the distinct ones).

The product of its digits is 442552320, while the sum is 67.

The spelling of 674477842756 in words is "six hundred seventy-four billion, four hundred seventy-seven million, eight hundred forty-two thousand, seven hundred fifty-six".