674940416 has 40 divisors (see below), whose sum is σ = 1353715440. Its totient is φ = 336181248.

The previous prime is 674940377. The next prime is 674940437. The reversal of 674940416 is 614049476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139445 + ... + 144203.

It is an arithmetic number, because the mean of its divisors is an integer number (33842886).

Almost surely, 2^674940416 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 674940416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676857720).

674940416 is an abundant number, since it is smaller than the sum of its proper divisors (678775024).

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

674940416 is an equidigital number, since it uses as much as digits as its factorization.

674940416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 674940416 is about 25979.6153936120. The cubic root of 674940416 is about 877.1795096417.

The spelling of 674940416 in words is "six hundred seventy-four million, nine hundred forty thousand, four hundred sixteen".