674438321067 has 16 divisors (see below), whose sum is σ = 1027741473792. Its totient is φ = 385383600000.

The previous prime is 674438321009. The next prime is 674438321083. The reversal of 674438321067 is 760123834476.

It is not a de Polignac number, because 674438321067 - 2¹⁶ = 674438255531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674438321567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492942 + ... + 1261692.

It is an arithmetic number, because the mean of its divisors is an integer number (64233842112).

Almost surely, 2^674438321067 is an apocalyptic number.

674438321067 is a deficient number, since it is larger than the sum of its proper divisors (353303152725).

674438321067 is a wasteful number, since it uses less digits than its factorization.

674438321067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810538.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 674438321067 in words is "six hundred seventy-four billion, four hundred thirty-eight million, three hundred twenty-one thousand, sixty-seven".