674212136 has 64 divisors (see below), whose sum is σ = 1407067200. Its totient is φ = 300883968.

The previous prime is 674212117. The next prime is 674212151. The reversal of 674212136 is 631212476.

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 15 ways as a sum of consecutive naturals, for example, 477800 + ... + 479208.

It is an arithmetic number, because the mean of its divisors is an integer number (21985425).

Almost surely, 2^674212136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674212136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703533600).

674212136 is an abundant number, since it is smaller than the sum of its proper divisors (732855064).

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

674212136 is a wasteful number, since it uses less digits than its factorization.

674212136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1574 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 674212136 is about 25965.5952367744. The cubic root of 674212136 is about 876.8638955081.

The spelling of 674212136 in words is "six hundred seventy-four million, two hundred twelve thousand, one hundred thirty-six".