674595280 has 20 divisors (see below), whose sum is σ = 1568434212. Its totient is φ = 269838080.

The previous prime is 674595269. The next prime is 674595283. The reversal of 674595280 is 82595476.

It can be written as a sum of positive squares in 2 ways, for example, as 376825744 + 297769536 = 19412^2 + 17256^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 674595280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674595283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4216141 + ... + 4216300.

Almost surely, 2^674595280 is an apocalyptic number.

It is an amenable number.

674595280 is an abundant number, since it is smaller than the sum of its proper divisors (893838932).

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

674595280 is a wasteful number, since it uses less digits than its factorization.

674595280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432454 (or 8432448 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 674595280 is about 25972.9721056332. The cubic root of 674595280 is about 877.0299666408.

The spelling of 674595280 in words is "six hundred seventy-four million, five hundred ninety-five thousand, two hundred eighty".