674774016 has 88 divisors (see below), whose sum is σ = 2055515520. Its totient is φ = 192786432.

The previous prime is 674773937. The next prime is 674774033. The reversal of 674774016 is 610477476.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815 + ... + 37193.

Almost surely, 2^674774016 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 674774016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027757760).

674774016 is an abundant number, since it is smaller than the sum of its proper divisors (1380741504).

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

674774016 is a wasteful number, since it uses less digits than its factorization.

674774016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31409 (or 31391 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 674774016 is about 25976.4126853575. The cubic root of 674774016 is about 877.1074170225.

The spelling of 674774016 in words is "six hundred seventy-four million, seven hundred seventy-four thousand, sixteen".