673055647 has 32 divisors (see below), whose sum is σ = 787553280. Its totient is φ = 569184000.

The previous prime is 673055629. The next prime is 673055671. The reversal of 673055647 is 746550376.

It is not a de Polignac number, because 673055647 - 2¹⁵ = 673022879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673055147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598497 + ... + 1598917.

It is an arithmetic number, because the mean of its divisors is an integer number (24611040).

Almost surely, 2^673055647 is an apocalyptic number.

673055647 is a deficient number, since it is larger than the sum of its proper divisors (114497633).

673055647 is a wasteful number, since it uses less digits than its factorization.

673055647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its (nonzero) digits is 529200, while the sum is 43.

The square root of 673055647 is about 25943.3160370836. The cubic root of 673055647 is about 876.3622414172.

The spelling of 673055647 in words is "six hundred seventy-three million, fifty-five thousand, six hundred forty-seven".