674942016 has 112 divisors (see below), whose sum is σ = 2148392960. Its totient is φ = 182684160.

The previous prime is 674942011. The next prime is 674942017. The reversal of 674942016 is 610249476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (674942011) 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, 12321 + ... + 38751.

It is an arithmetic number, because the mean of its divisors is an integer number (19182080).

Almost surely, 2^674942016 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 674942016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074196480).

674942016 is an abundant number, since it is smaller than the sum of its proper divisors (1473450944).

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

674942016 is a wasteful number, since it uses less digits than its factorization.

674942016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26472 (or 26462 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 674942016 is about 25979.6461869672. The cubic root of 674942016 is about 877.1802027824.

The spelling of 674942016 in words is "six hundred seventy-four million, nine hundred forty-two thousand, sixteen".