648075047 has 8 divisors (see below), whose sum is σ = 683654400. Its totient is φ = 612642744.

The previous prime is 648075023. The next prime is 648075079. The reversal of 648075047 is 740570846.

648075047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 648075047 - 2⁶ = 648074983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 648074995 and 648075013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648077047) 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, 27647 + ... + 45392.

It is an arithmetic number, because the mean of its divisors is an integer number (85456800).

Almost surely, 2^648075047 is an apocalyptic number.

648075047 is a deficient number, since it is larger than the sum of its proper divisors (35579353).

648075047 is a wasteful number, since it uses less digits than its factorization.

648075047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73525.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 648075047 is about 25457.3181423338. The cubic root of 648075047 is about 865.3831472231.

The spelling of 648075047 in words is "six hundred forty-eight million, seventy-five thousand, forty-seven".