674536746 has 64 divisors (see below), whose sum is σ = 1537966080. Its totient is φ = 195514560.

The previous prime is 674536721. The next prime is 674536823. The reversal of 674536746 is 647635476.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 674536695 and 674536704.

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 31 ways as a sum of consecutive naturals, for example, 281871 + ... + 284253.

It is an arithmetic number, because the mean of its divisors is an integer number (24030720).

Almost surely, 2^674536746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674536746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (768983040).

674536746 is an abundant number, since it is smaller than the sum of its proper divisors (863429334).

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

674536746 is a wasteful number, since it uses less digits than its factorization.

674536746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611.

The product of its digits is 2540160, while the sum is 48.

The square root of 674536746 is about 25971.8452559690. The cubic root of 674536746 is about 877.0045995511.

The spelling of 674536746 in words is "six hundred seventy-four million, five hundred thirty-six thousand, seven hundred forty-six".