674681532100 has 27 divisors (see below), whose sum is σ = 1464076749037. Its totient is φ = 269869327280.

The previous prime is 674681532079. The next prime is 674681532149. The reversal of 674681532100 is 1235186476.

The square root of 674681532100 is 821390.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 242885351556 + 431796180544 = 492834^2 + 657112^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8172831 + ... + 8254969.

Almost surely, 2^674681532100 is an apocalyptic number.

674681532100 is the 821390-th square number.

It is an amenable number.

674681532100 is an abundant number, since it is smaller than the sum of its proper divisors (789395216937).

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

674681532100 is an frugal number, since it uses more digits than its factorization.

674681532100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164292 (or 82146 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 674681532100 in words is "six hundred seventy-four billion, six hundred eighty-one million, five hundred thirty-two thousand, one hundred".