674701920 has 192 divisors, whose sum is σ = 2412426240. Its totient is φ = 176039424.

The previous prime is 674701901. The next prime is 674701921. The reversal of 674701920 is 29107476.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674701921) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 201379 + ... + 204701.

It is an arithmetic number, because the mean of its divisors is an integer number (12564720).

Almost surely, 2^674701920 is an apocalyptic number.

674701920 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 674701920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206213120).

674701920 is an abundant number, since it is smaller than the sum of its proper divisors (1737724320).

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

674701920 is a wasteful number, since it uses less digits than its factorization.

674701920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 674701920 is about 25975.0249278032. The cubic root of 674701920 is about 877.0761778287.

The spelling of 674701920 in words is "six hundred seventy-four million, seven hundred one thousand, nine hundred twenty".