674468240 has 80 divisors (see below), whose sum is σ = 1626134016. Its totient is φ = 260161920.

The previous prime is 674468239. The next prime is 674468269. The reversal of 674468240 is 42864476.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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, 2383139 + ... + 2383421.

Almost surely, 2^674468240 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 674468240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813067008).

674468240 is an abundant number, since it is smaller than the sum of its proper divisors (951665776).

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

674468240 is an equidigital number, since it uses as much as digits as its factorization.

674468240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 674468240 is about 25970.5263712540. The cubic root of 674468240 is about 876.9749089960.

The spelling of 674468240 in words is "six hundred seventy-four million, four hundred sixty-eight thousand, two hundred forty".