670120547 has 4 divisors (see below), whose sum is σ = 674231880. Its totient is φ = 666009216.

The previous prime is 670120543. The next prime is 670120601. The reversal of 670120547 is 745021076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670120547 - 2² = 670120543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670120541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055422 + ... + 2055747.

It is an arithmetic number, because the mean of its divisors is an integer number (168557970).

Almost surely, 2^670120547 is an apocalyptic number.

670120547 is a deficient number, since it is larger than the sum of its proper divisors (4111333).

670120547 is a wasteful number, since it uses less digits than its factorization.

670120547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111332.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 670120547 is about 25886.6866748141. The cubic root of 670120547 is about 875.0864881040.

The spelling of 670120547 in words is "six hundred seventy million, one hundred twenty thousand, five hundred forty-seven".