674544000 has 512 divisors, whose sum is σ = 2566287360. Its totient is φ = 155443200.

The previous prime is 674543999. The next prime is 674544043. The reversal of 674544000 is 445476.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 14351977 + ... + 14352023.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^674544000 is an apocalyptic number.

674544000 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 674544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283143680).

674544000 is an abundant number, since it is smaller than the sum of its proper divisors (1891743360).

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

674544000 is a wasteful number, since it uses less digits than its factorization.

674544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 674544000 is about 25971.9849068183. The cubic root of 674544000 is about 877.0077433227.

Adding to 674544000 its reverse (445476), we get a palindrome (674989476).

The spelling of 674544000 in words is "six hundred seventy-four million, five hundred forty-four thousand".