674257888 has 96 divisors (see below), whose sum is σ = 1433345760. Its totient is φ = 311592960.

The previous prime is 674257847. The next prime is 674257897. The reversal of 674257888 is 888752476.

Its product of digits (6021120) is a multiple of the sum of its prime factors (420).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434006 + ... + 2434282.

It is an arithmetic number, because the mean of its divisors is an integer number (14930685).

Almost surely, 2^674257888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674257888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716672880).

674257888 is an abundant number, since it is smaller than the sum of its proper divisors (759087872).

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

674257888 is a wasteful number, since it uses less digits than its factorization.

674257888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 412 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 55.

The square root of 674257888 is about 25966.4762337904. The cubic root of 674257888 is about 876.8837297054.

The spelling of 674257888 in words is "six hundred seventy-four million, two hundred fifty-seven thousand, eight hundred eighty-eight".