670253473 has 4 divisors (see below), whose sum is σ = 676889748. Its totient is φ = 663617200.

The previous prime is 670253431. The next prime is 670253489. The reversal of 670253473 is 374352076.

670253473 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.

It can be written as a sum of positive squares in 2 ways, for example, as 539539984 + 130713489 = 23228^2 + 11433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670253473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670257473) 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, 3317986 + ... + 3318187.

It is an arithmetic number, because the mean of its divisors is an integer number (169222437).

Almost surely, 2^670253473 is an apocalyptic number.

It is an amenable number.

670253473 is a deficient number, since it is larger than the sum of its proper divisors (6636275).

670253473 is a wasteful number, since it uses less digits than its factorization.

670253473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636274.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 670253473 is about 25889.2540062475. The cubic root of 670253473 is about 875.1443453839.

The spelling of 670253473 in words is "six hundred seventy million, two hundred fifty-three thousand, four hundred seventy-three".