674023680 has 432 divisors, whose sum is σ = 2651673024. Its totient is φ = 162570240.

The previous prime is 674023639. The next prime is 674023711. The reversal of 674023680 is 86320476.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3421342 + ... + 3421538.

It is an arithmetic number, because the mean of its divisors is an integer number (6138132).

Almost surely, 2^674023680 is an apocalyptic number.

674023680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674023680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325836512).

674023680 is an abundant number, since it is smaller than the sum of its proper divisors (1977649344).

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

674023680 is a wasteful number, since it uses less digits than its factorization.

674023680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 674023680 is about 25961.9660272484. The cubic root of 674023680 is about 876.7821874656.

The spelling of 674023680 in words is "six hundred seventy-four million, twenty-three thousand, six hundred eighty".