674827540 has 12 divisors (see below), whose sum is σ = 1417137876. Its totient is φ = 269931008.

The previous prime is 674827537. The next prime is 674827547. The reversal of 674827540 is 45728476.

It can be written as a sum of positive squares in 2 ways, for example, as 346927876 + 327899664 = 18626^2 + 18108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674827547) 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, 16870669 + ... + 16870708.

It is an arithmetic number, because the mean of its divisors is an integer number (118094823).

Almost surely, 2^674827540 is an apocalyptic number.

It is an amenable number.

674827540 is an abundant number, since it is smaller than the sum of its proper divisors (742310336).

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

674827540 is a wasteful number, since it uses less digits than its factorization.

674827540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33741386 (or 33741384 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 674827540 is about 25977.4429072609. The cubic root of 674827540 is about 877.1306075302.

The spelling of 674827540 in words is "six hundred seventy-four million, eight hundred twenty-seven thousand, five hundred forty".