674969946 has 64 divisors (see below), whose sum is σ = 1654732800. Its totient is φ = 179240256.

The previous prime is 674969929. The next prime is 674969951. The reversal of 674969946 is 649969476.

674969946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 674969946.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34315 + ... + 50273.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 2^674969946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674969946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827366400).

674969946 is an abundant number, since it is smaller than the sum of its proper divisors (979762854).

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

674969946 is a wasteful number, since it uses less digits than its factorization.

674969946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043.

The product of its digits is 17635968, while the sum is 60.

The square root of 674969946 is about 25980.1837175952. The cubic root of 674969946 is about 877.1923022441.

The spelling of 674969946 in words is "six hundred seventy-four million, nine hundred sixty-nine thousand, nine hundred forty-six".