128475673 has 8 divisors (see below), whose sum is σ = 131798016. Its totient is φ = 125162400.

The previous prime is 128475667. The next prime is 128475679. The reversal of 128475673 is 376574821.

It is an interprime number because it is at equal distance from previous prime (128475667) and next prime (128475679).

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 128475673 - 2⁹ = 128475161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128475679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33568 + ... + 37198.

It is an arithmetic number, because the mean of its divisors is an integer number (16474752).

Almost surely, 2^128475673 is an apocalyptic number.

It is an amenable number.

128475673 is a deficient number, since it is larger than the sum of its proper divisors (3322343).

128475673 is an equidigital number, since it uses as much as digits as its factorization.

128475673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535.

The product of its digits is 282240, while the sum is 43.

The square root of 128475673 is about 11334.7109799942. The cubic root of 128475673 is about 504.5919299263.

The spelling of 128475673 in words is "one hundred twenty-eight million, four hundred seventy-five thousand, six hundred seventy-three".