674159760 has 120 divisors (see below), whose sum is σ = 2347974720. Its totient is φ = 179770752.

The previous prime is 674159747. The next prime is 674159771. The reversal of 674159760 is 67951476.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 2101 + ... + 36779.

It is an arithmetic number, because the mean of its divisors is an integer number (19566456).

Almost surely, 2^674159760 is an apocalyptic number.

674159760 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 674159760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173987360).

674159760 is an abundant number, since it is smaller than the sum of its proper divisors (1673814960).

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

674159760 is a wasteful number, since it uses less digits than its factorization.

674159760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34707 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 674159760 is about 25964.5866518225. The cubic root of 674159760 is about 876.8411886031.

The spelling of 674159760 in words is "six hundred seventy-four million, one hundred fifty-nine thousand, seven hundred sixty".