674530978874 has 16 divisors (see below), whose sum is σ = 1020788137512. Its totient is φ = 334268487168.

The previous prime is 674530978861. The next prime is 674530978879. The reversal of 674530978874 is 478879035476.

It can be written as a sum of positive squares in 4 ways, for example, as 209345596849 + 465185382025 = 457543^2 + 682045^2 .

It is not an unprimeable number, because it can be changed into a prime (674530978879) 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, 10738262 + ... + 10800894.

Almost surely, 2^674530978874 is an apocalyptic number.

674530978874 is a deficient number, since it is larger than the sum of its proper divisors (346257158638).

674530978874 is a wasteful number, since it uses less digits than its factorization.

674530978874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110401.

The product of its (nonzero) digits is 284497920, while the sum is 68.

The spelling of 674530978874 in words is "six hundred seventy-four billion, five hundred thirty million, nine hundred seventy-eight thousand, eight hundred seventy-four".