674386944 has 176 divisors, whose sum is σ = 2241808896. Its totient is φ = 175104000.

The previous prime is 674386943. The next prime is 674386949. The reversal of 674386944 is 449683476.

It is a tau number, because it is divible by the number of its divisors (176).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674386943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235119 + ... + 237969.

Almost surely, 2^674386944 is an apocalyptic number.

674386944 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 674386944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120904448).

674386944 is an abundant number, since it is smaller than the sum of its proper divisors (1567421952).

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

674386944 is a wasteful number, since it uses less digits than its factorization.

674386944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2874 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 674386944 is about 25968.9611652064. The cubic root of 674386944 is about 876.9396726362.

The spelling of 674386944 in words is "six hundred seventy-four million, three hundred eighty-six thousand, nine hundred forty-four".