674020608 has 144 divisors (see below), whose sum is σ = 1864912896. Its totient is φ = 215971840.

The previous prime is 674020597. The next prime is 674020609. The reversal of 674020608 is 806020476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674020609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562685 + ... + 2562947.

It is an arithmetic number, because the mean of its divisors is an integer number (12950784).

Almost surely, 2^674020608 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 674020608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932456448).

674020608 is an abundant number, since it is smaller than the sum of its proper divisors (1190892288).

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

674020608 is a wasteful number, since it uses less digits than its factorization.

674020608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 674020608 is about 25961.9068637109. The cubic root of 674020608 is about 876.7808554258.

The spelling of 674020608 in words is "six hundred seventy-four million, twenty thousand, six hundred eight".