670553443 has 8 divisors (see below), whose sum is σ = 773935200. Its totient is φ = 569068800.

The previous prime is 670553417. The next prime is 670553447. The reversal of 670553443 is 344355076.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670553443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670553447) 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, 473518 + ... + 474931.

It is an arithmetic number, because the mean of its divisors is an integer number (96741900).

Almost surely, 2^670553443 is an apocalyptic number.

670553443 is a deficient number, since it is larger than the sum of its proper divisors (103381757).

670553443 is a wasteful number, since it uses less digits than its factorization.

670553443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948557.

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 670553443 is about 25895.0466885078. The cubic root of 670553443 is about 875.2748820175.

The spelling of 670553443 in words is "six hundred seventy million, five hundred fifty-three thousand, four hundred forty-three".