674145000 has 240 divisors, whose sum is σ = 2324630880. Its totient is φ = 176400000.

The previous prime is 674144993. The next prime is 674145011. The reversal of 674145000 is 541476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3194895 + ... + 3195105.

It is an arithmetic number, because the mean of its divisors is an integer number (9685962).

Almost surely, 2^674145000 is an apocalyptic number.

674145000 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 674145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162315440).

674145000 is an abundant number, since it is smaller than the sum of its proper divisors (1650485880).

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

674145000 is a wasteful number, since it uses less digits than its factorization.

674145000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 674145000 is about 25964.3024169724. The cubic root of 674145000 is about 876.8347893927.

Adding to 674145000 its reverse (541476), we get a palindrome (674686476).

The spelling of 674145000 in words is "six hundred seventy-four million, one hundred forty-five thousand".