674647073 has 8 divisors (see below), whose sum is σ = 680053608. Its totient is φ = 669262464.

The previous prime is 674647069. The next prime is 674647139. The reversal of 674647073 is 370746476.

It can be written as a sum of positive squares in 4 ways, for example, as 92486689 + 582160384 = 9617^2 + 24128^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 674647073 - 2² = 674647069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674647033) 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 7 ways as a sum of consecutive naturals, for example, 59315 + ... + 69767.

It is an arithmetic number, because the mean of its divisors is an integer number (85006701).

Almost surely, 2^674647073 is an apocalyptic number.

It is an amenable number.

674647073 is a deficient number, since it is larger than the sum of its proper divisors (5406535).

674647073 is a wasteful number, since it uses less digits than its factorization.

674647073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963.

The product of its (nonzero) digits is 592704, while the sum is 44.

The square root of 674647073 is about 25973.9691422008. The cubic root of 674647073 is about 877.0524111355.

The spelling of 674647073 in words is "six hundred seventy-four million, six hundred forty-seven thousand, seventy-three".