674643061 has 4 divisors (see below), whose sum is σ = 703975392. Its totient is φ = 645310732.

The previous prime is 674643043. The next prime is 674643077. The reversal of 674643061 is 160346476.

674643061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674643061 - 2¹¹ = 674641013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674643061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674643001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14666131 + ... + 14666176.

It is an arithmetic number, because the mean of its divisors is an integer number (175993848).

Almost surely, 2^674643061 is an apocalyptic number.

It is an amenable number.

674643061 is a deficient number, since it is larger than the sum of its proper divisors (29332331).

674643061 is a wasteful number, since it uses less digits than its factorization.

674643061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29332330.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 674643061 is about 25973.8919109170. The cubic root of 674643061 is about 877.0506725765.

The spelling of 674643061 in words is "six hundred seventy-four million, six hundred forty-three thousand, sixty-one".