674868544 has 56 divisors (see below), whose sum is σ = 1544165568. Its totient is φ = 286648320.

The previous prime is 674868539. The next prime is 674868563. The reversal of 674868544 is 445868476.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 674868491 and 674868500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43959 + ... + 57289.

Almost surely, 2^674868544 is an apocalyptic number.

674868544 is a gapful number since it is divisible by the number (64) 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 674868544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772082784).

674868544 is an abundant number, since it is smaller than the sum of its proper divisors (869297024).

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

674868544 is a wasteful number, since it uses less digits than its factorization.

674868544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463 (or 13453 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The square root of 674868544 is about 25978.2321184487. The cubic root of 674868544 is about 877.1483726296.

The spelling of 674868544 in words is "six hundred seventy-four million, eight hundred sixty-eight thousand, five hundred forty-four".