670332147 has 4 divisors (see below), whose sum is σ = 893776200. Its totient is φ = 446888096.

The previous prime is 670332107. The next prime is 670332161. The reversal of 670332147 is 741233076.

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 670332147 - 2¹² = 670328051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670332107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111722022 + ... + 111722027.

It is an arithmetic number, because the mean of its divisors is an integer number (223444050).

Almost surely, 2^670332147 is an apocalyptic number.

670332147 is a deficient number, since it is larger than the sum of its proper divisors (223444053).

670332147 is a wasteful number, since it uses less digits than its factorization.

670332147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223444052.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 670332147 is about 25890.7733951692. The cubic root of 670332147 is about 875.1785853718.

The spelling of 670332147 in words is "six hundred seventy million, three hundred thirty-two thousand, one hundred forty-seven".